Since President Barack Obama took office in 2009, the Department of Energy has invested nearly $5 billion in research related to carbon capture and storage. That number could change drastically with the incoming administration of Donald Trump, if his recent selection of Rep. Mick Mulvaney (R-S.C.) to direct the White House Office of Management and Budget is any indication.

Members of the Democratic National Committee’s platform panel have formally endorsed federal investigations into climate research at fossil fuel companies, including a high-profile probe into Exxon Mobil Corp.

SIERRA CLUB BACKS CLINTON: The Sierra Club on Thursday endorsed Hillary Clinton's presidential campaign.

The NRDC Action Fund on Tuesday endorsed Democratic presidential front-runner Hillary Clinton for president, the first time the environmental group has endorsed in a presidential election.

FRANKFORT, Ky. (AP) — Facing a backlash from Appalachian Democrats, Hillary Clinton's campaign on Monday tried to reaffirm her commitment to coal communities one day after declaring on national television she was going to "to put a lot of coal miners and coal companies out of business."

Hillary Clinton appeared to endorse a plan to end fossil fuel development on federal land following Thursday night’s Democratic debate in New Hampshire.