The document, which was leaked ahead of publication, states that humans are causing climate change. The findings are at odds with statements by President Trump and key members of his administration.
There's a push in Congress to rewrite how science gets used in regulation — and that has researchers worried. The industry-backed bill would let business nitpick raw data and ignore valid results.
New EPA administrator Scott Pruitt has decided not to ban chlorpyrifos, a pesticide widely used on produce. That's despite evidence previously compiled by EPA showing it could pose risks to consumers.
The White House's proposed federal budget cuts everything from research to regulation, and makes clear that the administration doesn't view climate change as a priority.
President Trump's budget blueprint calls for a 10 percent increase in military spending, along with deep cuts in foreign aid and the Environmental Protection Agency.
U.S. automakers may not have to reach fuel efficiency standards that were set during the Obama administration, which had set a target of 54.5 miles per gallon for the 2025 model year.
By tripling their emission of pollutants, Asian countries have contributed as much as 65 percent of a rise in ozone levels in the western U.S., scientists say.