Ethiopia this week became the 135th country to ratify the comprehensive nuclear test ban treaty (CTBT), which prohibits the explosive testing of nuclear weapons.
To enter into force, the CTBT must be ratified by 44 States listed in Annex 2 of the Treaty. So far, 34 of those States have done so.
See “Ethiopia ratifies Comprehensive Nuclear-Test-Ban Treaty,” CTBT Organization news release, August 9.
Background, history and current status of the proposed test ban may be found in “Nuclear Weapons: Comprehensive Test Ban Treaty” (pdf), Congressional Research Service, updated June 21, 2006.
The United States Air Force has forward deployed about one-third of its B-2 stealth bombers to Diego Garcia, or about half the B-2s considered fully operational at any given time. A Planet Labs satellite image taken earlier today shows six of the characteristic bombers on the apron alongside six refueling tankers. The current deployment of […]
Extreme heat is the leading weather-related cause of injury and death and innovations in the built environment can save money and lives.
By requiring all states to conduct flood infrastructure vulnerability assessments (FIVAs), the federal government can limit its financial liability while advancing a more efficient and effective model of flood resilience that puts states and localities at the fore.
FAS is invested in seeing more students gain science and technology skills and enter STEM careers, both for students and for our country’s competitive advantage.