Position On H.R.3738 – Heat Management Assistance Grant Act of 2025

The Federation of American Scientists supports H.R. 3738 of the 119th Congress, titled the “Heat Management Assistance Grant Act of 2025.”

The Heat Management Assistance Grant Act of 2025 creates the Heat Management Assistance Grant (HMAG) Program, a quick release of Federal Emergency Management Agency grants to state, local, tribal, and territorial governments for managing heat events that could become major disasters. This resourcing can be used for responses to extreme heat events, including supplies, personnel, and public assistance. HMAG is modeled after the Fire Management Assistance Grant program, which similarly deploys quick funding to activities that prevent wildfires from becoming major disaster events. The bill also creates a definition for an extreme heat event, which informs subnational leaders on when they can ask for assistance.

“Heat emergencies, such as the 2021 Pacific Northwest Heat Dome and 2024 power outage following Hurricane Beryl in Texas, demonstrate a critical need for government assistance for heat-affected communities. Yet to date, there has been no federal pathway for rapidly resourcing heat response,” said Grace Wickerson, Senior Manager for Climate and Health at the Federation of American Scientists. “The Heat Management Assistance Grant Act of 2025 is a critical step in the right direction to unlock the resources needed to save lives, and aligns with key recommendations from our 2025 Heat Policy Agenda.”

Impacts of Extreme Heat on Rural Communities

46 million rural Americans face mounting risks from temperature extremes that threaten workforce productivity, raise business operational costs, and strain critical public services. Though extreme heat is often portrayed in research and the media as an urban issue, almost every state in the contiguous U.S. has rural communities with above-average rates of vulnerability to extreme heat. To protect rural America, Congress must address extreme heat’s impacts by repairing rural health systems, strengthening the preparedness of rural businesses, and hardening rural energy infrastructure.

Extreme heat exacerbates rural communities’ unique health vulnerabilities

On average, Americans living in rural areas are twice as likely as those in urban areas to have pre-existing health conditions, like heart disease, diabetes, and asthma, that make them more sensitive to heat-related illness and death. Further compounding the risk, rural places also have larger populations of underinsured and uninsured people than urban areas, with 1 in 6 people lacking insurance. 

Limited healthcare infrastructure in rural places worsens these vulnerabilities. Rural areas have higher shortages of healthcare professionals who provide primary care, mental health, and dental services than urban areas. Over the last decade, 100 rural hospitals have closed, and hundreds more are vulnerable to closure. Finally, many rural communities do not have public health departments, and those that do are underfunded and understaffed. Because public health systems and healthcare professionals are the first responders to extreme heat, rural residents are severely underprepared. 

Congress should provide flexible resources and technical assistance to rural hospitals to prepare for emerging threats like extreme heat. Additionally, Congress should continue to enable the U.S. Department of Agriculture and the Department of Health and Human Services to provide loans or grant assistance to help rural residents retain access to health services and improve the financial position of rural hospitals and clinics. And because Medicaid expansion correlates with better rural hospital financial performance and fewer closures, Congress should invest in Medicaid to protect rural healthcare access.

Extreme heat puts rural businesses and workers at risk

Rural economic health relies on the outdoors (e.g., recreation tourism) and outdoor labor (e.g., agriculture and oil and gas extraction). Extreme heat in many of these places makes it dangerous to be outside, which impacts worker productivity and local business revenues. Indoor workers in facilities like manufacturing plants, food processing, and warehouses also face heat-related safety threats due to the presence of heat-producing machines and poorly ventilated buildings with limited cooling. These facilities are rapidly growing components of rural economies, as these sectors employ almost 1 in 5 rural workers. 

Simple protections like water, rest, shade, and cooling can improve productivity and generate returns on investments. But small-to-medium rural enterprises need support to adopt affordable cooling systems, shade and passive cooling infrastructure, and worker safety measures that reduce heat-related disruptions. Congress should help rural businesses reduce heat’s risks by appropriating funding to support workplace heat risk reduction and practical training on worker protections. Additionally, Congress should require OSHA to finalize a federal workplace heat standard.

Extreme heat threatens rural energy security

When a power outage happens during a severe extreme heat event, the chance of heat-related illness and death increases exponentially. Extreme heat strains power infrastructure, increasing the risk of power outages. This risk is particularly acute for rural communities, which have limited resources, older infrastructure, and significantly longer waits to restore power after an outage.

Weatherized housing and indoor infrastructure are one of the key protective factors against extreme heat, especially during outages. Yet rural areas often have a higher proportion of older, substandard homes. Manufactured and mobile homes, for example, compose 15% of the rural housing stock and are the one of the most at-risk housing types for extreme heat exposure. When the power is on, rural residents spend 40% more of their income on their energy bills than their urban counterparts. Rural residents in manufactured housing spend an alarming 75% more. Energy debt can force people to choose between paying for life-saving energy or food and key medications, compounding poverty and health outcomes. 

To drive the energy independence and economic resilience of rural America, Congress should support investments in energy-efficient and resilient cooling technologies, weatherized homes, localized energy solutions like microgrids, and grid-enhancing technologies.

Economic Impacts of Extreme Heat: Energy

As temperatures rise, the strain on energy infrastructure escalates, creating vulnerabilities for the efficiency of energy generation, grid transmission, and home cooling, which have significant impacts on businesses, households, and critical services. Without action, energy systems will face growing instability, infrastructure failures will persist, and utility burdens will increase. The combined effects of extreme heat cost our nation over $162 billion in 2024 – equivalent to nearly 1% of the U.S. GDP. 

The federal government needs to prepare energy systems and the built environment through strategic investments in energy infrastructure — across energy generation, transmission, and use. Doing so includes ensuring electric grids are prepared for extreme heat by establishing an interagency HeatSmart Grids Initiative to assess the risk of energy system failures during extreme heat and the necessary emergency responses. Congress should retain and expand home energy rebates, tax credits, and the Weatherization Assistance Program (WAP) to enable deep retrofits that prepare homes against power outages and cut cooling costs, along with extending the National Initiative to Advance Building Codes (NIABC) to accelerate state and local adoption of code language for extreme heat adaptation.  

Challenge & Opportunity: Grid Security

Extreme Heat Reduces Energy Generation and Transmission Efficiency

During a heatwave, the energy grid faces not only surges in demand but also decreased energy production and reduced transmission efficiency. For instance, turbines can become up to 25% less efficient in high temperatures. Other energy sources are also impacted: solar power, for example, produces less electricity as temperatures rise because high heat slows the flow of electrical current. Additionally, transmission lines lose up to 5.8% of their capacity to carry electricity as temperatures increase, resulting in reliability issues such as rolling blackouts. These combined effects slow down the entire energy cycle, making it harder for the grid to meet growing demand and causing power disruptions.

Rising Demand and Grid Load Increase the Threat of Power Outages

Electric grids are under unprecedented strain as record-high temperatures drive up air conditioning use, increasing energy demand in the summer. Power generation and transmission are impeded when demand outpaces supply, causing communities and businesses to experience blackouts. According to data from the North American Electric Reliability Corporation (NERC), between 2024 and 2028, an alarming 300 million people across the United States could face power outages. Texas, California, the Southwest, New England, and much of the Midwest are among the states and regions most at risk of energy emergencies during extreme conditions, according to 2024 NERC data. 

Data center build-out, driven by growing demand for artificial intelligence, cloud services, and big data analytics, further adds stress to the grid. Data centers are estimated to consume 9% of US annual electricity generation by 2030. With up to 40% of data centers’ total yearly energy consumption driven by cooling systems, peak demand during the hottest days of the year puts demand on the U.S. electric grid and increases power outage risk. 

Power outages bear significant economic costs and put human lives at severe risk. To put this into perspective, a concurrent heat wave and blackout event in Phoenix, Arizona, could put 1 million residents at high risk of heat-related illness, with more than 50% of the city’s population requiring medical care. As we saw with 2024’s Hurricane Beryl, more than 2 million Texans lost power during a heatwave, resulting in up to $1.3 billion in damages to the electric infrastructure in the Houston area and significant public health and business impacts.  The nation must make strategic investments to ensure energy reliability and foster the resilience of electric grids to weather hazards like extreme heat. 

Advancing Solutions for Energy Systems and Grid Security

Investments in resilience pay dividends, with every federal dollar spent on resilience returning $6 in societal benefits. For example, the DOE Grid Resilience State and Tribal Formula Grants, established by the Bipartisan Infrastructure Law (BIL), have strengthened grid infrastructure, developed innovative technologies, and improved community resilience against extreme weather. It is essential that funds for this program, as well as other BIL and Inflation Reduction Act initiatives, continue to be disbursed.  

To build heat resilience in communities across this nation, Congress must establish the HeatSmart Grids Initiative as a partnership between DOE, FEMA, HHS, the Federal Energy Regulatory Commission (FERC), NERC, and the Cybersecurity and Infrastructure Security Agency (CISA). This program should (i) perform national audits of energy security and building-stock preparedness for outages, (ii) map energy resilience assets such as long-term energy storage and microgrids, (iii) leverage technologies for minimizing grid loads such as smart grids and virtual power plants, and (iv) coordinate protocols with FEMA’s Community Lifelines and CISA’s Critical Infrastructure for emergency response. This initiative will ensure electric grids are prepared for extreme heat, including the risk of energy system failures during extreme heat and the necessary emergency and public health responses.  

Challenge & Opportunity: Increasing Household and Business Energy Costs

As temperatures rise, so do household and business energy bills to cover cooling costs. This escalation can be particularly challenging for low-income individuals, schools, and small businesses operating on thin margins. For businesses, especially small enterprises, power outages, equipment failures, and interruptions in the supply chain become more frequent and severe due to extreme weather, negatively affecting production and distribution. One in six U.S. households (21.2 million people) find themselves behind on their energy bills, which increases the risk of utility shut-offs. One in five households report reducing or forgoing food and medicine to pay their energy bills. Families, school districts, and business owners need active and passive cooling approaches to meet demands without increasing costs.

Advancing Solutions for Businesses, Households, and Vital Facilities

Affordably cooled homes, businesses, and schools are crucial to sustaining our economy. To prepare the nation’s housing and infrastructure for rising temperatures, the federal government should:

The Federation of American Scientists: Who We Are

At the Federation of American Scientists (FAS), we envision a world where the federal government deploys cutting-edge science, technology, ideas, and talent to solve and address the impacts of extreme heat. We bring expertise in embedding science, data, and technology into government decision-making and a strong network of subject matter experts in extreme heat, both inside and outside of government. Through our 2025 Heat Policy Agenda and broader policy library, FAS is positioned to help ensure that public policy meets the challenges of living with extreme heat.

Consider FAS a resource for… 

We are tackling this crisis with initiative, creativity, experimentation, and innovation, serving as a resource on environmental health policy issues. Feel free to always reach out to us:

Senior Manager, Climate and Health
Grace Wickerson
Medical Innovation,
Emerging Technologies
read more
Senior Associate, Climate, Health, and Environment
Autumn Burton
Environmental Health,
Resilient Communities,
Extreme Weather,
Inclusive Innovation & Technology
read more
Associate Director, Climate and Environment
Hannah Safford
read more

Position On The Heating and Cooling Relief Act of 2025

The Federation of American Scientists supports The Heating and Cooling Relief Act of 2025. With summer right around the corner, it is more important than ever to ensure life-saving home cooling is affordable to all Americans.

The Heating and Cooling Relief Act of 2025 helps mitigate the negative health impacts of extreme heat through necessary modernizations of the Low-Income Home Energy Assistance Program (LIHEAP). The bill includes key provisions of the 2025 Heat Policy Agenda, including ensuring LIHEAP is reauthorized at a level to meet the demand from all eligible households, expanding emergency assistance authorities and funding to cover heating and cooling support during extreme temperature events, preventing energy shutoffs for LIHEAP beneficiaries, increasing the share of funding that can go towards preventative weatherization measures, and requiring the following studies:

“Access to affordable energy is crucial for health security, especially during extreme temperatures. Yet 1 in 6 households can’t afford their energy bills, and the costs of  heating and cooling homes are continuing to climb,” says Grace Wickerson, Senior Manager, Climate and Health. “The Federation of American Scientists is proud to support the Heating and Cooling Relief Act of 2025 bill to bring down the cost of energy for Americans through immediate relief as well as forward-thinking investments in resilience.”

Position On The Cool Roof Product Rebate Act of 2025

The Federation of American Scientists supports the Cool Roof Product Rebate Act of 2025. 

The Cool Roof Product Rebate Act of 2025 would direct the Secretary of Energy to establish a federal rebate program for the purchase and installation of cool roofs. Cool roofs can help households lower energy costs, prevent the negative health impacts of high indoor temperatures, and improve community resiliency by reducing the strain on the grid. This legislation aligns with key recommendations from the FAS 2025 Heat Policy Agenda to enhance the resilience of housing to extreme heat.

“Housing and energy are key determinants of health, and both are becoming increasingly unaffordable to every day Americans” said Grace Wickerson, Senior Manager for Climate and Health at the Federation of American Scientists. “Rebates for cool roofs are smart ways to bring these critical technologies within reach for lower-income households, and allow them to lower their energy bills while bolstering the safety and resilience of their homes.”

Position on S.1166, The Excess Urban Heat Mitigation Act

The Federation of American Scientists supports S.1166, The Excess Urban Heat Mitigation Act.

The Excess Urban Heat Mitigation Act would establish a $30 million dollar grant program at Housing and Urban Development to support efforts to address urban heat via cooling infrastructure, such as green and cool roofs, reflective pavements, shade infrastructure, and tree planting and maintenance, and community resilience actions, such as cooling centers and heat mitigation education. These efforts align with key recommendations from the FAS 2025 Heat Policy Agenda to transform the built and landscaped environment to make it more resilient to the impacts of extreme heat.

“Extreme heat is the leading weather-related cause of injury and death and innovations in the built environment can save money and lives,” said Grace Wickerson, Senior Manager for Climate and Health at the Federation of American Scientists. “With temperatures already nearing 100°F in parts of the country, we must act now to protect our nation’s people, infrastructure, and economy.”  

Position on S.325 – establishing the National Integrated Heat Health Information System

The Federation of American Scientists supports S.325, a bill to establish the National Integrated Heat Health Information System (NIHHIS) and the NIHHIS Interagency Committee.

S.325 would establish a clear, sustained federal governance structure for extreme heat by bringing all responsible agencies together to coordinate planning, preparedness, and response, a key recommendation of FAS’ 2025 Heat Policy Agenda. The bill also authorizes $5 million in annual appropriations for NIHHIS to deliver critical data, forecasts, and warnings and decision-support services as well as support a heat-health research program.

“Senator Markey, Gallego, and Padilla recognize that the National Integrated Heat Health Information System (NIHHIS) is vital to the nation’s extreme heat preparedness and response. We need a comprehensive strategy to build U.S. resilience to extreme heat using science, technology, and evidence-based solutions. Our Nation’s people, infrastructure, and economy depend on it. There is no time to wait – heat season is less than three months away.” said Grace Wickerson, Senior Manager, Climate and Health at the Federation of American Scientists.

Extreme Heat and Wildfire Smoke: Consequences for Communities

More Extreme Weather Leads to More Public Health Emergencies

Extreme heat and wildfire smoke both pose significant and worsening public health threats in the United States. Extreme heat causes the premature deaths of an estimated 10,000 people in the U.S. each year, while more frequent and widespread wildfire smoke exposure has set back decades of progress on air quality in many states. Importantly, these two hazards are related: extreme heat can worsen and prolong wildfire risk, which can increase smoke exposure. 

Extreme heat and wildfire smoke events are independently becoming more frequent and severe, but what is overlooked is that they are often occurring in the same place at the same time. Emerging research suggests that the combined impact of these hazards may be worse than the sum of their individual impacts. These combined impacts have the potential to put additional pressure on already overburdened healthcare systems, public budgets, and vulnerable communities. Failing to account for these combined impacts could leave communities unprepared for these extreme weather events in 2025 and beyond.

To ensure resilience and improve public health outcomes for all, policymakers should consider the intersection of wildfire smoke and extreme heat at all levels of government. Our understanding of how extreme heat and wildfire smoke compound is still nascent, which limits national and local capacity to plan ahead. Researchers and policymakers should invest in understanding how extreme heat and wildfire smoke compound and use this knowledge to design synergistic solutions that enhance infrastructure resilience and ultimately save lives. 

Intersecting Health Impacts of Extremely Hot, Smoky Days

Wildfire smoke and extreme heat can each be deadly. As mentioned, exposure to extreme heat causes the premature deaths of an estimated 10,000 people in the U.S. a year. Long-term exposure to extreme heat can also worsen chronic conditions like kidney disease, diabetes, hypertension, and asthma. Exposure to the primary component of wildfire smoke, known as fine particulate matter (PM2.5), contributes to an additional estimated 16,000 American deaths annually. Wildfire smoke exacerbates and causes various respiratory and cardiovascular effects along with other health issues, such as asthma attacks and heart failure, increasing risk of early death. 

New research suggests that the compounding health impacts of heat and smoke co-exposure could be even worse. For example, a recent analysis found that the co-occurrence of extreme heat and wildfire smoke in California leads to more hospitalizations for cardiopulmonary problems than on heat days or smoke days alone. 

Extreme heat also contributes to the formation of ground-level ozone. Like wildfire smoke, ground-level ozone can cause respiratory problems and exacerbate pre-existing conditions. This has already happened at scale: during the 2020 wildfire season, more than 68% of the western U.S. – about 43 million people – were affected in a single day by both ground-level ozone extremes and fine particulate matter from wildfire smoke.

Impacts on Populations Most Vulnerable to Combined Heat and Smoke

While extreme heat and wildfire smoke can pose health risks to everyone, there are some groups that are more vulnerable either because they are more likely to be exposed, they are more likely to suffer more severe health consequences when they are exposed, or both. Below, we highlight groups that are most vulnerable to extreme heat and smoke and therefore may be vulnerable to the compound impacts of these hazards. More research is needed to understand how the compound impacts will affect the health of these populations.

Housing-Vulnerable and Housing-Insecure People

Access to air conditioning at home and work, tree canopy cover, buildings with efficient wildfire smoke filtration and heat insulation and cooling capacities, and access to  smoke centers are all important protective factors against the effects of extreme heat and/or wildfire smoke. People lacking these types of infrastructure are at higher risk for the health effects of these two hazards as a result of increased exposure. In California, for example, communities with lower incomes and higher population density experience a greater likelihood of negative health impacts from hazards like wildfire smoke and extreme heat. 

Outdoor Workers

Representing about 33% of the national workforce, outdoor workers — farmworkers, firefighters, and construction workers — experience much higher rates of exposure to environmental hazards, including wildfire smoke and extreme heat, than other workers. Farmworkers are particularly vulnerable even among outdoor workers; in fact, they face a 35 times greater risk of heat exposure death than other outdoor workers. Additionally, outdoor workers are often lower-income, making it harder to afford protections and seek necessary medical care. Twenty percent of agricultural worker families live below the national poverty line.

Wildfire smoke exposure is estimated to have caused $125 billion in lost wages annually from 2007 to 2019 and extreme heat exposure is estimated to cause $100 billion in wage losses each year. Without any changes to policies and practice, these numbers are only expected to rise. These income losses may exacerbate inequities in poverty rates and economic mobility, which determine overall health outcomes.

Pregnant Mothers and Infants

Extreme heat and wildfire smoke also pose a significant threat to the health of pregnant mothers and their babies. For instance, preterm birth is more likely during periods of higher temperatures and during wildfire smoke events. This correlation is significantly stronger among people who were simultaneously exposed to extreme heat and wildfire smoke PM2.5.

Preterm birth comes with an array of risks for both the pregnant mothers and baby and is the leading cause of infant mortality. Babies born prematurely are more likely to have a range of serious health complications in addition to long-term developmental challenges. For the parent, having a preterm baby can have significant mental health impacts and financial challenges.

Children

Wildfire smoke and extreme heat both have significant impacts on children’s health, development, and learning. Children are uniquely vulnerable to heat because their bodies do not regulate temperatures as efficiently as adults, making it harder to cool down and putting their bodies under stress. Children are also more vulnerable to air pollution from wildfire smoke as they inhale more air relative to their weight than adults and because their bodies and brains are still developing.  PM2.5 exposure from wildfires has been attributed to neuropsychological effects, such as ADHD, autism, impaired school performance, and decreased memory. 

When schools remain open during extreme weather events like heat and smoke, student learning is impacted. Research has found that each 1℉ increase in temperature leads to 1% decrease in annual academic achievement. However, when schools close due to wildfire smoke or heat events, children lose crucial learning time and families must secure alternative childcare.

Low-income students are more likely to be in schools without adequate air conditioning because their districts have fewer funds available for school improvement projects. This barrier has only been partially remedied in recent years through federal investments.

Older Adults

Older adults are more likely to have multiple chronic conditions, many of which increase vulnerability to extreme heat, wildfire smoke, and their combined effects. Older adults are also more likely to take regular medication, such as beta blockers for heart conditions, which increase predisposition to heat-related illness.

The most medically vulnerable older adults are in long-term care facilities. There is currently a national standard for operating temperatures for long-term care facilities, requiring them to operate at or below 81℉. There is no correlatory standard for wildfire smoke. Preliminary studies have found that long-term care facilities are unprepared for smoke events; in some facilities the indoor air quality is no better than the outdoor air quality.

Challenges and Opportunities for the Healthcare Sector

The impacts of extreme heat and smoke have profound implications for public health and therefore for healthcare systems and costs. Extreme heat alone is expected to lead to $1 billion in U.S. healthcare costs every summer, while wildfire smoke is estimated to cost the healthcare system $16 billion every year from respiratory hospital visits and PM2.5 related deaths. 

Despite these high stakes, healthcare providers and systems are not adequately prepared to address wildfire smoke, extreme heat, and their combined effects. Healthcare preparedness and response is limited by a lack of real-time information about morbidity and mortality expected from individual extreme heat and smoke events. For example, wildfire smoke events are often reported on a one-month delay, making it difficult to anticipate smoke impacts in real time. Further, despite the risks posed by heat and smoke independently and when combined, healthcare providers are largely not receiving education about environmental health and climate change. As a result, physicians also do not routinely screen their patients for health risk and existing protective measures, such as the existence of air conditioning and air filtration in the home. 

Potential solutions to improve preparedness in the healthcare sector include developing more reliable real-time information about the potential impacts of smoke, heat, and both combined; training physicians in screening patients for risk of heat and smoke exposure; and training physicians in how to help patients manage extreme weather risks. 

Challenges and Opportunities for Federal, State, and Local Governments 

State and local governments have a role to play in building facilities that are resilient to extreme heat and wildfire smoke as well as educating people about how to protect themselves. However, funding for extreme heat and wildfire smoke is scarce and difficult for local jurisdictions in need to obtain. While some federal funding is available specifically to support smoke preparedness (e.g., EPA’s Wildfire Smoke Preparedness in Community Buildings Grant Program) and heat preparedness (e.g. NOAA NIHHIS’ Centers of Excellence), experts note that the funding landscape for both hazards is “limited and fragmented.” To date, communities have not been able to secure federal disaster funding for smoke or heat events through the Public Health Emergency Declaration or the Stafford Act. FEMA currently excludes the impacts on human health from economic valuations of losses from a disaster. As a result, many of these impacted communities never see investments from post-disaster hazard mitigation, which could potentially build community resilience to future events. Even if a declaration was made, it would likely be for one “event”, e.g. wildfire smoke or extreme heat, with recovery dollars targeted towards mitigating the impacts of that event. Without careful consideration, rebuilding and resilience investments might be maladaptive for addressing the combined impacts.

Next Steps

The Wildland Fire Mitigation and Management Commission report offers a number of recommendations to improve how the federal government can better support communities in preparing for the impacts of wildfire smoke and acknowledges the need for more research on how heat and wildfire smoke compound. FAS has also developed a whole-government strategy towards extreme heat response, resilience, and preparedness that includes nearly 200 recommendations and notes the need for more data inputs on compounding hazards like wildfire smoke. Policymakers at the federal level should support research at the intersection of these topics and explore opportunities for providing technical assistance and funding that builds resilience to both hazards.

Understanding and planning for the compound impacts of extreme heat and wildfire smoke will improve public health preparedness, mitigate public exposure to extreme heat and wildfire smoke, and minimize economic losses. As the overarching research at this intersection is still emerging, there is a need for more data to inform policy actions that effectively allocate resources and reduce harm to the most vulnerable populations. The federal government must prioritize protection from both extreme heat and wildfire smoke, along with their combined effects, to fulfill its obligation to keep the public safe.

Federation of American Scientists Unveils Federal Policy Agenda for Tackling Extreme Heat; Supported by 60+ Organizations

Announcement Comes as 2024 is Officially Declared Hottest Year on Record; Lingering Effects of Extreme Heat Fuel Catastrophic Wildfires in California

Washington, D.C. – January 13, 2025 – The Federation of American Scientists (FAS), a non-partisan, nonprofit science think tank dedicated to developing  evidence-based policies to address national threats, today released the 2025 Heat Policy Agenda. This strategy provides specific, actionable policy ideas to tackle the growing threat of extreme heat in the United States – an issue that now affects all 50 states and costs the country more than $160 billion annually. The Heat Policy Agenda was co-signed by more than 60 labor, industry, health, housing, environmental, academic and community associations and organizations.

“The 2025 Heat Policy Agenda lays out a comprehensive strategy for how to build U.S. resilience to extreme heat using science, technology, and evidence-based solutions,” says Daniel Correa, CEO of the Federation of American Scientists. “These ideas are also designed to increase government efficiency, protect critical infrastructure, and secure our Nation’s economy. We look forward to helping political leaders pursue rapid implementation of this critical agenda with the ultimate goal of protecting the health and wellbeing of people across the nation.”

Rollout of the Heat Policy Agenda comes as the National Oceanic and Atmospheric Administration (NOAA) confirms 2024 as the hottest year on record, continuing a sustained trend. The 10 warmest years in modern history have all occurred during the past decade. 

Rollout also comes as catastrophic wildfires around Los Angeles provide a stark reminder of the lingering effects of extreme heat, and the interconnected nature of climate effects.

“Prolonged summer heat left vegetation in southern California bone-dry, making it that much easier for wildfires to explode unchecked,” explains Dr. Hannah Safford, FAS Associate Director of Climate and Environment. “Summer heat also depleted water resources critical for firefighting, and made it difficult to safely reduce fuel loads. The crisis we’re seeing around Los Angeles this winter underscores that we have to think about heat year-round – not just when it’s hot outside.”

The Heat Policy Agenda presents clear and specific actions the federal government can take to protect people, places, and the economy from the effects of extreme heat. These include:

“As a Nation, we’ve underinvested in extreme heat relative to other natural hazards – but heat kills more people each year than hurricanes, tornadoes, and floods combined,” observes Grace Wickerson, FAS Health Equity Policy Manager. “Our 2025 Heat Policy Agenda addresses this emerging public health crisis from the ground up, with an emphasis on protecting children, the elderly, and other vulnerable populations.”

The 2025 Heat Policy Agenda represents insights and perspectives from hundreds of practitioners, technical experts, and community leaders. The full list of organizations co-signing the Agenda and urging immediate policy action on extreme heat is listed below. Please fill out this form if your organization would like to be added to this list.

Signatories Urging Policy Action on Extreme Heat

Alliance of Nurses for a Healthy Environment
American Federation of State, County, and Municipal Employees
American Forests
American Lung Association
Arizona State University’s Knowledge Exchange for Resilience
Association of Farmworker Opportunity Programs
Association of State and Territorial Health Officials
Atlantic Council’s Climate Resilience Center
C40 Cities Climate Leadership Group
California ReLeaf
Center for American Progress
Center for Biological Diversity
Center for Energy Poverty and Climate
Center for Invasive Species Prevention
Children’s Environmental Health Network
Climate Mayors
Climate Power
Climate Resolve
Dade County Street Response
Earth Ethics, Inc.
Elevate
Energy Equity Project
Farmworker Association of Florida
Federation of American Scientists
Food Tank
Green Roofs for Healthy Cities
Grid Alternatives
Groundwork USA
ICLEI – Local Governments for Sustainability
Institute for Market Transformation
King County, Washington
Korey Stringer Institute
La Isla Network
League of Conservation Voters
MetroLab Network
Moms Clean Air Force
National Center for Healthy Housing
National Coalition for the Homeless
National Consumer Law Center
National Council on Occupational Safety and Health
National Employment Law Project
National Energy Assistance Directors Association
National Partnership for Women & Families
National Recreation and Parks Association
National Young Farmers Coalition
Natural Resources Defense Council
New America Future of Land and Housing Program
Next100
Organizing Resilience
Physicians for Social Responsibility
Rebuild by Design
SafeWork Washington
Smart Growth America
Smart Home America
Smart Surfaces Coalition
Southeast Sustainability Directors Network
Ten Across Resilience Network
The CLEO Institute
The New Buildings Institute
The Passive House Network
Toxic Free NC
Trust for Public Land
Undaunted K12
Union of Concerned Scientists
Urban Sustainability Directors Network
We Act for Environmental Justice
WeCount!
Women with Broken Heals
Workplace Fairness
Yale Center on Climate Change and Health



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ABOUT FAS

The Federation of American Scientists (FAS) works to advance progress on a broad suite of contemporary issues where science, technology, and innovation policy can deliver dramatic progress, and seeks to ensure that scientific and technical expertise have a seat at the policymaking table. Established in 1945 by scientists in response to the atomic bomb, FAS continues to work on behalf of a safer, more equitable, and more peaceful world. More information about FAS work at fas.org.

ABOUT THIS COALITION

More than 60 labor, health, industry, environmental, and community organizations join with the Federation of American Scientists to support the 2025 Heat Policy Agenda, a comprehensive, common-sense strategy to tackle the growing threat of extreme heat in the United States. This call for action comes as 2024 is officially declared the hottest year on record, continuing a sustained trend. Extreme heat now affects tens of millions of Americans each year, and costs the country more than $160 billion annually in health costs, lost productivity, and other impacts. Rapid implementation of the 2025 Heat Policy Agenda will mitigate heat impacts, boosting the U.S. economy and making it safer for all Americans to live, work, and play.

RESOURCES

Extreme Heat Policy Agenda

2025 Heat Policy Agenda

It’s official: 2024 was the hottest year on record. But Americans don’t need official statements to tell them what they already know: our country is heating up, and we’re deeply unprepared.

Extreme heat has become a national economic crisis: lowering productivity, shrinking business revenue, destroying crops, and pushing power grids to the brink. The impacts of extreme heat cost our Nation an estimated $162 billion in 2024 – equivalent to nearly 1% of the U.S. GDP.

Extreme heat is also taking a human toll. Heat kills more Americans every year than hurricanes, floods, and tornadoes combined. The number of heat-related illnesses is even higher. And even when heat doesn’t kill, it severely compromises quality of life. This past summer saw days when more than 100 million Americans were under a heat advisory. That means that there were days when it was too hot for a third of our country to safely work or play.

We have to do better. And we can.

Attached is a comprehensive 2025 Heat Policy Agenda for the Trump Administration and 119th Congress to better prepare for, manage, and respond to extreme heat. The Agenda represents insights from hundreds of experts and community leaders. If implemented, it will build readiness for the 2025 heat season – while laying the foundation for a more heat-resilient nation.

Core recommendations in the Agenda include the following:

  1. Establish a clear, sustained federal governance structure for extreme heat. This will involve elevating, empowering, and dedicating funds to the National Interagency Heat Health Information System (NIHHIS), establishing a National Heat Executive Council, and designating a National Heat Coordinator in the White House.
  2. Amend the Stafford Act to explicitly define extreme heat as a “major disaster”, and expand the definition of damages to include non-infrastructure impacts.
  3. Direct the Secretary of Health and Human Services (HHS) to consider declaring a Public Health Emergency in the event of exceptional, life-threatening heat waves, and fully fund critical HHS emergency-response programs and resilient healthcare infrastructure.
  4. Direct the Federal Emergency Management Agency (FEMA) to include extreme heat as a core component of national preparedness capabilities and provide guidance on how extreme heat events or compounding hazards could qualify as major disasters.
  5. Finalize a strong rule to prevent heat injury and illness in the workplace, and establish Centers of Excellence to protect troops, transportation workers, farmworkers, and other essential personnel from extreme heat.
  6. Retain and expand home energy rebates, tax credits, LIHEAP, and the Weatherization Assistance Program, to enable deep retrofits that cut the costs of cooling for all Americans and prepare homes and other infrastructure against threats like power outages.
  7. Transform the built and landscaped environment through strategic investments in urban forestry and green infrastructure to cool communities, transportation systems to secure safe movement of people and goods, and power infrastructure to ready for greater load demand.

The way to prevent deaths and losses from extreme heat is to act before heat hits. Our 60+ organizations, representing labor, industry, health, housing, environmental, academic and community associations and organizations, urge President Trump and Congressional leaders to work quickly and decisively throughout the new Administration and 119th Congress to combat the growing heat threat. America is counting on you.

Executive Branch

Federal agencies can do a great deal to combat extreme heat under existing budgets and authorities. By quickly integrating the actions below into an Executive Order or similar directive, the President could meaningfully improve preparedness for the 2025 heat season while laying the foundation for a more heat-resilient nation in the long term. 

Streamline and improve extreme heat management.

More than thirty federal agencies and offices share responsibility for acting on extreme heat. A better structure is needed for the federal government to seamlessly manage and build resilience. To streamline and improve the federal extreme heat response, the President must:

Boost heat preparedness, response, and resilience in every corner of our nation.

Extreme heat has become a national concern, threatening every community in the United States. To boost heat preparedness, response, and resilience nationwide, the President must:

Usher in a new era of heat forecasting, research, and data.

Extreme heat’s impacts are not well-quantified, limiting a systematic national response. To usher in a new era of heat forecasting, research, and data, the President must:

Protect workers and businesses from heat.

Americans become ill and even die due to heat exposure in the workplace, a moral failure that also threatens business productivity. To protect workers and businesses, the President must:

Prepare healthcare systems for heat impacts.

Extreme heat is both a public health emergency and a chronic stress to healthcare systems. Addressing the chronic disease epidemic will be impossible without treating the symptom of extreme heat. To prepare healthcare systems for heat impacts, the President must:

Ensure affordably cooled and heat-resilient housing, schools, and other facilities.

Cool homes, schools, and other facilities are crucial to preventing heat illness and death. To prepare the build environment for rising temperatures, the President must:

Promote Housing and Cooling Access

Prepare Schools and Other Facilities

Legislative Branch

Congress can support the President in combating extreme heat by increasing funds for heat-critical federal programs and by providing new and explicit authorities for federal agencies.

Treat extreme heat like the emergency it is.

Extreme heat has devastating human and societal impacts that are on par with other federally recognized disasters. To treat extreme heat like the emergency it is, Congress must:

Build community heat resilience by readying critical infrastructure.

Investments in resilience pay dividends, with every federal dollar spent on resilience returning $6 in societal benefits. Our nation will benefit from building thriving communities that are prepared for extreme heat threats, adapted to rising temperatures, and capable of withstanding extreme heat disruptions. To build community heat resilience, Congress must:

Leveraging the Farm Bill to build national heat resilience.

Farm, food, forestry, and rural policy are all impacted by extreme heat. To ensure the next Farm Bill is ready for rising temperatures, Congress should:

Funding critical programs and agencies to build a heat-ready nation.

To protect Americans and mitigate the $160+ billion annual impacts of extreme heat, Congress will need to invest in national heat preparedness, response, and resilience. The tables on the following pages highlight heat-critical programs that should be extended, as well as agencies that need more funding to carry out heat-critical work, such as key actions identified in the Executive section of this Heat Policy Agenda.

Mobilizing Innovative Financial Mechanisms for Extreme Heat Adaptation Solutions in Developing Nations

Global heat deaths are projected to increase by 370% if direct action is not taken to limit the effects of climate change. The dire implications of rising global temperatures extend across a spectrum of risks, from health crises exacerbated by heat stress, malnutrition, and disease, to economic disparities that disproportionately affect vulnerable communities in the U.S. and in low- and middle-income countries. In light of these challenges, it is imperative to prioritize a coordinated effort at both national and international levels to enhance resilience to extreme heat. This effort must focus on developing and implementing comprehensive strategies to ensure the vulnerable developing countries facing the worst and disproportionate effects of climate change have the proper capacity for adaptation, as wealthier, developed nations mitigate their contributions to climate change. 

To address these challenges, the U.S. Agency for International Development (USAID) should mobilize finance through environmental impact bonds focused on scaling extreme heat adaptation solutions. USAID should build upon the success of the  SERVIR joint initiative and expand it to include a partnership with NIHHIS to co-develop decision support tools for extreme heat. Additionally, the Bureau for Resilience, Environment, and Food Security (REFS) within the USAID should take the lead in tracking and reporting on climate adaptation funding data. This effort will enhance transparency and ensure that adaptation and mitigation efforts are effectively prioritized. By addressing the urgent need for comprehensive adaptation strategies, we can mitigate the impacts of climate change, increase resilience through adaptation, and protect the most vulnerable communities from the increasing threats posed by extreme heat.

Challenge 

Over the past 13 months, temperatures have hit record highs, with much of the world having just experienced their warmest June on record. Berkeley Earth predicts a 95% chance that 2024 will rank as the warmest year in history. Extreme heat drives interconnected impacts across multiple risk areas including: public health; food insecurity; health care system costs; climate migration and the growing transmission of life-threatening diseases.

Thus, as global temperatures continue to rise, resilience to extreme heat becomes a crucial element of climate change adaptation, necessitating a strategic federal response on both domestic and international scales.

Inequitable Economic and Health Impacts 

Despite contributing least to global greenhouse gas emissions, low- and middle-income countries experience four times higher economic losses from excess heat relative to wealthier counterparts. The countries likely to suffer the most are those with the most humidity, i.e. tropical nations in the Global South. Two-thirds of global exposure to extreme heat occurs in urban areas in the Global South, where there are fewer resources to mitigate and adapt. 

The health impacts associated with increased global extreme heat events are severe, with projections of up to 250,000 additional deaths annually between 2030 and 2050 due to heat stress, alongside malnutrition, malaria, and diarrheal diseases. The direct cost to the health sector could reach $4 billion per year, with 80% of the cost being shouldered by Sub-Saharan Africa. On the whole, low-and middle-income countries (LMICs) in the Global South experience a higher portion of adverse health effects from increasing climate variability despite their minimal contributions to global greenhouse emissions, underscoring a clear global inequity challenge. 

This imbalance points to a crucial need for a focus on extreme heat in climate change adaptation efforts and the overall importance of international solidarity in bolstering adaptation capabilities in developing nations. It is more cost-effective to prepare localities for extreme heat now than to deal with the impacts later. However, most communities do not have comprehensive heat resilience strategies or effective early warning systems due to the lack of resources and the necessary data for risk assessment and management — reflected by the fact that only around 16% of global climate financing needs are being met, with far less still flowing to the Global South. Recent analysis from Climate Policy Initiative, an international climate policy research organization, shows that the global adaptation funding gap is widening, as developing countries are projected to require $212 billion per year for climate adaptation through 2030. The needs will only increase without direct policy action.  

Opportunity: The Role of USAID in Climate Adaptation and Resilience

As the primary federal agency responsible for helping partner countries adapt to and build resilience against climate change, USAID announced multiple commitments at COP28 to advance climate adaptation efforts in developing nations. In December 2023, following COP28, Special Presidential Envoy for Climate John Kerry and USAID Administrator Power announced that 31 companies and partners have responded to the President’s Emergency Plan for Adaptation and Resilience (PREPARE) Call to Action and committed $2.3 billion in additional adaptation finance. Per the State Department’s December 2023 Progress Report on President Biden’s Climate Finance Pledge, this funding level puts agencies on track to reach President Biden’s pledge of working with Congress to raise adaptation finance to $3 billion per year by 2024 as part of PREPARE.

USAID’s Bureau for Resilience, Environment, and Food Security (REFS) leads the implementation of PREPARE. USAID’s entire adaptation portfolio was designed to contribute to PREPARE and align with the Action Plan released in September 2022 by the Biden Administration. USAID has further committed to better integrating adaptation in its Climate Strategy for 2022 to 2030 and established a target to support 500 million people’s adaptation efforts.  

This strategy is complemented by USAID’s efforts to spearhead international action on extreme heat at the federal level, with the launch of its Global Sprint of Action on Extreme Heat in March 2024. This program started with the inaugural Global Heat Summit and ran through June 2024, calling on national and local governments, organizations, companies, universities, and youth leaders to take action to help prepare the world for extreme heat, alongside USAID Missions, IFRC and its 191-member National Societies. The executive branch was also advised to utilize the Guidance on Extreme Heat for Federal Agencies Operating Overseas and United States Government Implementing Partners.

On the whole, the USAID approach to climate change adaptation is aimed at predicting, preparing for, and mitigating the impacts of climate change in partner countries. The two main components of USAID’s approach to adaptation include climate risk management and climate information services. Climate risk management involves a “light-touch, staff-led process” for assessing, addressing, and adaptively managing climate risks in non-emergency development funding. The climate information services translate data, statistical analyses, and quantitative outputs into information and knowledge to support decision-making processes. Some climate information services include early warning systems, which are designed to enable governments’ early and effective action. A primary example of a tool for USAID’s climate information services efforts is the SERVIR program, a joint development initiative in partnership with the National Aeronautics and Space Administration (NASA) to provide satellite meteorology information and science to partner countries. ​​

Additionally, as the flagship finance initiative under PREPARE, the State Department and  USAID, in collaboration with the U.S. Development Finance Corporation (DFC), have opened an Adaptation Finance Window under the Climate Finance for Development Accelerator (CFDA), which aims to de-risk the development and scaling of companies and investment vehicles that mobilize private finance for climate adaptation. 

Plan of Action

Recommendation 1: Mobilize private capital through results-based financing such as environmental impact bonds

Results-based financing (RBF) has long been a key component of USAID’s development aid strategy, offering innovative ways to mobilize finance by linking payments to specific outcomes. In recent years, Environmental Impact Bonds (EIBs) have emerged as a promising addition to the RBF toolkit and would greatly benefit as a mechanism for USAID to mobilize and scale novel climate adaptation. Thus, in alignment with the PREPARE plan, USAID should launch an EIB pilot focused on extreme heat through the Climate Finance for Development Accelerator (CFDA), a $250 million initiative designed to mobilize $2.5 billion in public and private climate investments by 2030.  An EIB piloted through the CFDA can help unlock public and private climate financing that focuses on extreme heat adaptation solutions, which are sorely needed. 

With this EIB pilot, the private sector, governments, and philanthropic investors raise the upfront capital and repayment is contingent on the project’s success in meeting predefined goals. By distributing financial risk among stakeholders in the private sector, government, and philanthropy, EIBs encourage investment in pioneering projects that might struggle to attract traditional funding due to their novel or unproven nature. This approach can effectively mobilize the necessary resources to drive climate adaptation solutions. 

This approach can effectively mobilize the necessary resources to drive climate adaptation solutions.

Overview of EIB structure, including cash flow (purple and green arrows) and environmental benefits (black arrows). The EIB is designed by project developers, and implemented by stakeholders and others to fund restoration activities that yield quantifiable environmental benefits. These environmental benefits are converted by the beneficiaries into financial benefits that influence the return on investment.
Environmental Impact Bonds structure

Overview of EIB structure, including cash flow (purple and green arrows) and environmental benefits (black arrows). 

Adapted from Environmental Impact Bonds: a common framework and looking ahead

The USAID EIB pilot should focus on scaling projects that facilitate uptake and adoption of affordable and sustainable cooling systems such as solar-reflective roofing and other passive cooling strategies. In Southeast Asia alone, annual heat-related mortality is projected to increase by 295% by 2030. Lack of access to affordable and sustainable cooling mechanisms in the wake of record-shattering heat waves affects public health, food and supply chain, and local economies. An EIB that aims to fund and scale solar-reflective roofing (cool roofs) has the potential to generate high impact for the local population by lowering indoor temperature, reducing energy use for air conditioning, and mitigating the heat island effect in surrounding areas. Indonesia, which is home to 46.5 million people at high risk from a lack of access to cooling, has seen notable success in deploying cool roofs/solar-reflective roofing through the Million Cool Roof Challenge, an initiative of the Clean Cooling Collaborative. The country is now planning to scale production capacity of cool roofs and set up its first testing facility for solar-reflective materials to ensure quality and performance. Given Indonesia’s capacity and readiness, an EIB to scale cool roofs in Indonesia can be a force multiplier to see this cooling mechanism reach millions and spur new manufacturing and installation jobs for the local economy. 

To mainstream EIBs and other innovative financial instruments, it is essential to pilot and explore more EIB projects. Cool roofs are an ideal candidate for scaling through an EIB due to their proven effectiveness as a climate adaptation solution, their numerous co-benefits, and the relative ease with which their environmental impacts can be measured (such as indoor temperature reductions, energy savings, and heat island index improvements). Establishing an EIB can be complex and time-consuming, but the potential rewards make the effort worthwhile if executed effectively. Though not exhaustive, the following steps are crucial to setting up an environmental impact bond:

Analyze ecosystem readiness

Before launching an environmental impact bond, it’s crucial to conduct an analysis to better understand what capacities already exist among the private and public sectors in a given country to implement something like an EIB. Additionally working with local civil society organizations is important to ensure climate adaptation projects and solutions are centered around the local community. 

Determine the financial arrangement, scope, and risk sharing structure 

Determine the financial structure of the bond, including the bond amount, interest rate, and maturity date. Establish a mechanism to manage the funds raised through the bond issuance.

Co-develop standardized, scientifically verified impact metrics and reporting mechanism 

Develop a robust system for measuring and reporting the environmental impact projects; With key stakeholders and partner countries, define key performance indicators (KPIs) to track and report progress.

USAID has already begun to incubate and pilot innovative financing mechanisms in the global health space through development impact bonds. The Utkrisht Impact Bond, for example, is the world’s first maternal and newborn health impact bond, which aims to reach up to 600,000 pregnant women and newborns in Rajasthan, India. Expanding the use case of this financing mechanism in the climate adaptation sector can further leverage private capital to address critical environmental challenges, drive scalable solutions, and enhance the resilience of vulnerable communities to climate impacts.

Recommendation 2: USAID should expand the SERVIR joint initiative to include a partnership with NIHHIS and co-develop decision support tools such as an intersectional vulnerability map. 

Building on the momentum of Administrator Power’s recent announcement at COP28, USAID should expand the SERVIR joint initiative to include a partnership with NOAA, specifically with NIHHIS, the National Integrated Heat Health Information System. NIHHIS is an integrated information system supporting equitable heat resilience, which is an important area that SERVIR should begin to explore. Expanded partnerships could begin with a pilot to map regional extreme heat vulnerability in select Southeast Asian countries. This kind of tool can aid in informing local decision makers about the risks of extreme heat that have many cascading effects on food systems, health, and infrastructure.

Intersectional vulnerabilities related to extreme heat refer to the compounding impacts of various social, economic, and environmental factors on specific groups or individuals. Understanding these intersecting vulnerabilities is crucial for developing effective strategies to address the disproportionate impacts of extreme heat. Some of these intersections include age, income/socioeconomic status, race/ethnicity, gender, and occupation. USAID should partner with NIHHIS to develop an intersectional vulnerability map that can help improve decision-making related to extreme heat. Exploring the intersectionality of extreme heat vulnerabilities is critical to improving local decision-making and helping tailor interventions and policies to where it is most needed. The intersection between extreme heat and health, for example, is an area that is under-analyzed, and work in this area will contribute to expanding the evidence base. 

The pilot can be modeled after the SERVIR-Mekong program, which produced 21 decision support tools throughout the span of the program from 2014-2022. The SERVIR-Mekong program led to the training of more than 1,500 people, the mobilization of $500,000 of investment in climate resilience activities, and the adoption of policies to improve climate resilience in the region. In developing these tools, engaging and co-producing with the local community will be essential. 

Recommendation 3: USAID REFS and the State Department Office of Foreign Assistance should work together to develop a mechanism to consistently track and report climate funding flow. This also requires USAID and the State Department to develop clear guidelines on the U.S. approach to adaptation tracking and determination of adaptation components.

Enhancing analytical and data collection capabilities is vital for crafting effective and informed responses to the challenges posed by extreme heat. To this end, USAID REFS, along with the State Department Office of Foreign Assistance, should co-develop a mechanism to consistently track and report climate funding flow. Currently, both USAID and the State Department do not consistently report funding data on direct and indirect climate adaptation foreign assistance. As the Department of State is required to report on its climate finance contributions annually for the Organisation for Economic Co-operation and Development (OECD) and biennially for the United Nations Framework Convention on Climate Change (UNFCCC), the two agencies should report on adaptation funding at similarly set, regular interval and make this information accessible to the executive branch and the general public. A robust tracking mechanism can better inform and aid agency officials in prioritizing adaptation assistance and ensuring the US fulfills its commitments and pledges to support global adaptation to climate change.

The State Department Office of Foreign Assistance (State F) is responsible for establishing standard program structures, definitions, and performance indicators, along with collecting and reporting allocation data on State and USAID programs. Within the framework of these definitions and beyond, there is a lack of clear definitions in terms of which foreign assistance projects may qualify as climate projects versus development projects and which qualify as both. Many adaptation projects are better understood on a continuum of adaptation and development activities. As such, this tracking mechanism should be standardized via a taxonomy of definitions for adaptation solutions. 

Therefore, State F should create standardized mechanisms for climate-related foreign assistance programs to differentiate and determine the interlinkages between adaptation and mitigation action from the outset in planning, finance, and implementation — and thereby enhance co-benefits. State F relies on the technical expertise of bureaus, such as REFS, and the technical offices within them, to evaluate whether or not operating units have appropriately attributed funding that supports key issues, including indirect climate adaptation. 

Further, announced at COP26, PREPARE is considered the largest U.S. commitment in history to support adaptation to climate change in developing nations. The Biden Administration has committed to using PREPARE to “respond to partner countries’ priorities, strengthen cooperation with other donors, integrate climate risk considerations into multilateral efforts, and strive to mobilize significant private sector capital for adaptation.”  Co-led by USAID and the U.S. Department of State (State Department), the implementation of PREPARE also involves the Treasury, NOAA, and the U.S. International Development Finance Corporation (DFC). Other U.S. agencies, such as USDA, DOE, HHS, DOI, Department of Homeland Security, EPA, FEMA, U.S. Forest Service, Millennium Challenge Corporation, NASA, and U.S. Trade and Development Agency, will respond to the adaptation priorities identified by countries in National Adaptation Plans (NAPs) and nationally determined contributions (NDCs), among others. 

As USAID’s REFS leads the implementation of the PREPARE and hosts USAID’s Chief Climate Officer, this office should be responsible for ensuring the agency’s efforts to effectively track and consistently report climate funding data. The two REFS Centers that should lead the implementation of these efforts include the Center for Climate-Positive Development, which advises USAID leadership and supports the implementation of USAID’s Climate Strategy, and the Center for Resilience, which supports efforts to help reduce recurrent crises — such as climate change-induced extreme weather events — through the promotion of risk management and resilience in the USAID’s strategies and programming. 
In making standardized processes to prioritize and track the flow of adaptation funds, USAID will be able to more effectively determine its progress towards addressing global climate hazards like extreme heat, while enhancing its ability to deliver innovative finance and private capital mechanisms in alignment with PREPARE. Additionally, standardization will enable both the public and private sectors to understand the possible areas of investment and direct their flows for relevant projects.

Frequently Asked Questions
How does USAID describe, compare, and analyze its global climate adaptation efforts?

USAID uses the Standardized Program Structure and Definitions (SPSD) system — established by State F — to provide a common language to describe climate change adaptation and resilience programs and therefore enable the comparison and analysis of budget and performance data within a country, regionally or globally. The SPSD system uses the following categories: (1) democracy, human rights, and governance; (2) economic growth; (3) education and social services; (4) health; (5) humanitarian assistance; (6) peace and security; and (7) program development and oversight. Since 2016, climate change has been in the economic growth category and each climate change pillar has separate Program Areas and Elements. The SPSD consists of definitions for foreign assistance programs, providing a common language to describe programs. By utilizing a common language, information for various types of programs can be aggregated within a country, regionally, or globally, allowing for the comparison and analysis of budget and performance data.


Using the SPSD program areas and key issues, USAID categorizes and tracks the funding for its allocations related to climate adaptation as either directly or indirectly addressing climate adaptation. Funding that directly addresses climate adaptation is allocated to the “Climate Change—Adaptation” under SPSD Program Area EG.11 for activities that enhance resilience and reduce the vulnerability to climate change of people, places, and livelihoods. Under this definition, adaptation programs may have the following elements: improving access to science and analysis for decision-making in climate-sensitive areas or sectors; establishing effective governance systems to address climate-related risks; and identifying and disseminating actions that increase resilience to climate change by decreasing exposure or sensitivity or by increasing adaptive capacity. Funding that indirectly addresses climate adaptation is not allocated to a specific SPSD program area. It is funding that is allocated to another SPSD program area and also attributed to the key issue of “Adaptation Indirect,” which is for adaptation activities. The SPSD program area for these activities is not Climate Change—Adaptation, but components of these activities also have climate adaptation effects.


In addition to the SPSD, the State Department and USAID have also identified “key issues” to help describe how foreign assistance funds are used. Key issues are topics of special interest that are not specific to one operating unit or bureau and are not identified, or only partially identified, within the SPSD. As specified in the State Department’s foreign assistance guidance for key issues, “operating units with programs that enhance climate resilience, and/or reduce vulnerability to climate variability and change of people, places, and/or livelihoods are expected to attribute funding to the Adaptation Indirect key issue.”


Operating units use the SPSD and relevant key issues to categorize funding in their operational plans. State guidance requires that any USAID operating unit receiving foreign assistance funding must complete an operational plan each year. The purpose of the operational plan is to provide a comprehensive picture of how the operating unit will use this funding to achieve foreign assistance goals and to establish how the proposed funding plan and programming supports the operating unit, agency, and U.S. government policy priorities. According to the operational plan guidance, State F does an initial screening of these plans.

What is the role of multilateral development banks (MDBs)?

MDBs play a critical role in bridging the significant funding gap faced by vulnerable developing countries that bear a disproportionate burden of climate adaptation costs—estimated to reach up to 20 percent of GDP for small island nations exposed to tropical cyclones and rising seas. MDBs offer a range of financing options, including direct adaptation investments, green financing instruments, and support for fiscal adjustments to reallocate spending towards climate resilience. To be most sustainably impactful, adaptation support from MDBs should supplement existing aid with conditionality that matches the institutional capacities of recipient countries.

What is the role of other federal agencies on an international scale?

In January 2021, President Biden issued an Executive Order (EO 14008) calling upon federal agencies and others to help domestic and global communities adapt and build resilience to climate change. Shortly thereafter in September 2022, the White House announced the launch of the PREPARE Action Plan, which specifically lays out America’s contribution to the global effort to build resilience to the impacts of the climate crisis in developing countries. Nineteen U.S. departments and agencies are working together to implement the PREPARE Action Plan: State, USAID, Commerce/NOAA, Millennium Challenge Corporation (MCC), U.S. Trade and Development Agency (USTDA), U.S. Department of Agriculture (USDA), Treasury, DFC, Department of Defense (DOD) & U.S. Army Corps of Engineers (USACE), International Trade Administration (ITA), Peace Corps, Environmental Protection Agency (EPA), Department of Energy (DOE), Federal Emergency Management Agency (FEMA), Department of Transportation (DOT), Health and Human Services (HHS), NASA, Export–Import Bank of the United States (EX/IM), and Department of Interior (DOI).

What is the role of Congress in international climate finance for adaptation?

Congress oversees federal climate financial assistance to lower-income countries, especially through the following actions: (1) authorizing and appropriating for federal programs and multilateral fund contributions, (2) guiding federal agencies on authorized programs and appropriations, and (3) overseeing U.S. interests in the programs. Congressional committees of jurisdiction include the House Committees on Foreign Affairs, Financial Services, Appropriations, and the Senate Committees on Foreign Relations and Appropriations, among others.

Federation of American Scientists among leading voices for federal policy action at White House Summit on Extreme Heat

Summit comes on heels of record 2024 summer heat; convenes experts on strategies to address this nationwide threat

Washington, D.C. – September 13, 2024 – The Federation of American Scientists (FAS), the non-partisan, nonprofit science think tank dedicated to deploying  evidence-based policies to address national threats, is today participating in the White House Summit on Extreme Heat. 

This Summit, announced by President Biden earlier this summer, will bring together local, state, Tribal, and territorial leaders and practitioners to discuss how to drive further locally-tailored and community-driven actions to address extreme heat. FAS has been a leading voice for action on this topic, and has developed a compendium of 150+ heat-related federal policy recommendations. 

FAS will be represented by Hannah Safford, Associate Director of Climate and Environment, and Grace Wickerson, Health Equity Policy Manager.

“Extreme heat is affecting every corner of our nation, making it more difficult and dangerous for Americans to live, work, and play,” says Wickerson. “Heat-related deaths and illnesses are on the rise, especially among our most vulnerable populations. We must work together to tackle this public health crisis.”

“It’s September, and millions of Americans are still suffering in triple-digit temperatures,” adds Safford. “We applaud the Biden-Harris Administration for drawing attention to the increasing challenges of extreme heat, and for driving on action to build a more heat-resilient nation in 2025 and beyond.”

FAS’s Ongoing Work to Address Extreme Heat

To date FAS has fostered extensive policy innovation related to extreme heat:

FAS Workshops Will Harness Momentum From White House Summit

Immediately following the White House Heat Summit, FAS will collaborate with the Arizona State University (ASU) Knowledge Exchange for Resilience to host the Celebration for Resilience 2024 Symposium and Gala on September 19th in Tempe.

On Friday, September 20th, FAS will partner with Arizona State University (ASU) to host workshops in Tempe, AZ, Washington DC, and virtually on Defining the 2025 Heat Policy Agenda. This workshop will harness momentum from the White House Summit on Extreme Heat, providing a forum to discuss actions that the next Administration and new Congress should prioritize to tackle extreme heat. For more information and to participate, contact Grace Wickerson (gwickerson@fas.org).  

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ABOUT FAS

The Federation of American Scientists (FAS) works to advance progress on a broad suite of contemporary issues where science, technology, and innovation policy can deliver dramatic progress, and seeks to ensure that scientific and technical expertise have a seat at the policymaking table. Established in 1945 by scientists in response to the atomic bomb, FAS continues to work on behalf of a safer, more equitable, and more peaceful world. More information at fas.org.