A guide to what a second Trump White House can — and can’t — do to the American effort to slow global warming.

After a decade of failed attempts to charge polluters for emitting carbon dioxide, Washington state’s landmark cap-and-trade program finally started up last year, raising billions of dollars for electric school buses,

Democrats are deploying climate arguments against Republican Rick Scott in the state’s contentious Senate race.

A majority of Washington Tribes have come out against Initiative 2117, which would repeal the state’s Climate Commitment Act if approved by voters on the November general election ballot.

Nations will press forward without the United States if they must, according to climate negotiators who gathered in New York last week during the United Nations General Assembly. But the first Trump presidency was a setback in the climate fight, and a repeat would slow things down at a critical point when scientists say efforts need to speed up.

Pennsylvania’s candidates for U.S. Senate, Democrat incumbent Bob Casey and Republican challenger Dave McCormick, have sparred over energy policy since the campaign began. In his ads, McCormick has sought to paint Casey as anti-fossil fuel and to tie Casey to Vice President Kamala Harris’ old comments against fracking.

Scientists are warning that extreme weather events are becoming more frequent and intense as a result of climate change.

Business owner Bernie Moreno, a Republican, has said America needs more fossil fuels. Democrat Sherrod Brown, the incumbent, is emphasizing manufacturing.

Reporters on the scene said about a dozen activists stood in the road, facing off with police officers right outside of CBS New's New York City studio.

According to new poll findings from strategic communications firm Climate Power, climate change is a major priority among Black voters in battleground states, with climate and energy issues serving as a major motivator to vote.

The conservative think tank has filed thousands of public-information requests, clogging the pipeline at federal agencies in an apparent attempt to find employees a potential Trump administration would want to purge.