When atmospheric chemists Paul Crutzen and John Birks added smoke into their computer models of nuclear war scenarios, they ...

Have a question for Liz Simmons or our other editors? Ask here for a chance to be featured in a story. Submit your question This form is protected by reCAPTCHA ...

NPR's Ailsa Chang talks with Paul Bedrosian of the U.S. Geological Survey about a new map and model of the deep continental ...

The Biden-era measure was intended to protect millions of acres from industrial development and the effects of climate change. By Maxine Joselow Coal-burning power plants released more mercury last ...

The United Nations Environmental Programme is the voice for the environment within the United Nations system. UNEP acts as a catalyst, advocate, educator and facilitator to promote the wise use and ...