Energy & Environment
Obama signed up for Twitter earlier this year.
A new report comes weeks before a key United Nations meeting in Paris.
The League of Conservation Voters Action Fund rarely endorses before the primaries.
With help from Sen. Bernie Sanders, they are seeking to curb future fossil fuel production.
Bill would phase out use of killer whales in captivity.
Justin Trudeau said the U.S.-Canadian relationship is bigger than one pipeline project.
TransCanada said it is "considering all options" after Obama denied the project Friday.
Refrigerator repairmen are facing new disposal requirements.
The decision ends the seven-year saga over the controversial project.
The ads target attorneys general their legal actions against a key climate change rule.
Action before climate talks would add credibility to the U.S.’s climate resolve, greens say.
Eric Schneiderman is investigating whether Exxon lied about its knowledge of climate change.
Coal mining company Peabody Energy Corp. has agreed to disclose the risks climate change plays to...
A 13-car train crashed, spilling oil in Watertown, Wisc.
The company is facing allegations it misled the public about climate change.
The American Farm Bureau Federation and its allies are asking the Supreme Court to decide whether a...
Sanders is taking a shot at Clinton over her slow decision to oppose the pipeline.
Activist Bill McKibben called it a "watershed moment" for the green movement.
They vow to reverse course if elected.
The main construction workers union said it is "dismayed and disgusted."
Obama will announce his rejection at a 11:45 a.m. speech, just after meeting with Secretary of...
Several countries are near an agreement to reduce the use of a refrigerant chemical.
A group of senators wants Obama to reject riders affecting the Endangered Species Act.
The 2016 hopeful said transportation funding should be left to states.