Soldiers need to be able to communicate on a noisy, dangerous battlefield even when conventional means of communication are unavailable.
To help meet that need, the US Army has just updated its compilation of hand and flag signals.
One configuration of flags signifies “Chemical, biological, radiological, and nuclear hazard present”:
Or a soldier may need to signal “I do not understand,” as follows:
See Visual Signals for Armor Fighting Vehicles (Combined Arms), GTA 17-02-019, US Army, February 2018.
In an ideal world, we would not have state or federal climate intervention research bans. We would have researchers and institutions that would not shy away from revealing the good, the bad, and the ugly of these technologies and doing so responsibly.
“What excites me is that it’s very tempting to be very discouraged, and say, ‘Oh, we’ve got these archaic institutions that are calcified and you could never change them.’ But I think we’re in the middle of a technological revolution that will upend lots of things, and does provide a window.”
Ask people what worries them most right now, and they’ll say the cost of living and their livelihoods, not climate change. But those concerns are not separate.
After a year-long delay, this April, EPA released the latest air toxics data, which only included raw air data downloads. This year, for the first time in nearly 25 years, the air toxics data did not include cancer risk estimates.