Farmers and other Republicans see profit potential and job opportunities in clean energy, so they're defending renewable requirements.
One reporter looked into the Kochs' interests in the Canadian oil industry and soon found himself under attack in Facebook and Google ads.
A GOP House staffer has written a prizewinning piece advocating conservative action on climate change, but he’s afraid to reveal his name.
In his big climate speech, Obama says the Keystone XL pipeline won't be in the nation's interest if it markedly worsens climate pollution.
We've got details on the president's climate action plan, which he unveiled in a speech on Tuesday. The big move: clamping down on coal power plants.
Gay-rights activist Dan Savage compares climate deniers to gay men in the early '80s who refused to face up to the reality of AIDS.
The president is gearing up for a big speech in which he'll unveil his second-term climate plan. The centerpiece: cracking down on coal power plants.
Climate change "is the global threat of our time," Obama said in a big speech at the Brandenburg Gate. Fitting, as the weather in Berlin was an unseasonably hot 92 degrees.
The world population is projected to soar from 7.2 billion today to 8.1 billion in 2025, so you can stop worrying about a shortage of babies.