Experts and lawmakers agree that climate change has become a more polarizing issue.
After release of U.N. report, Kerry called denial of climate change science "malpractice."
A battle is heating up between Republicans and public interest groups over cost of new rules.
Ice makers are the latest appliance facing energy efficiency scrutiny from the Obama administration...
“Climate change deniers still exist,” Senate Majority Leader Harry Reid (D-Nev.) said.
The all-night event to highlight climate change impacts is expected to draw 28 Senate Dems.
The president's initiative in response to deadly Texas blast has been fraught with delays.
They say President Obama better think twice.
White House called climate change a key theme in U.S.-French relationship.
House Democrats are taking the cause off of the floor.
Military ships could face new pollution standards under a proposal from the Environmental...
Obama said his energy strategy has put U.S. closer to energy independence.
Obama administration may allow companies to begin seismic testing.
Sierra Club, Environmental Defense Fund and American Sustainable Business Council weigh in.
Can liberal hedge fund billionaire Tom Steyer counteract the Koch brothers?
Obama noted it had been five years since Congress last made a wilderness designation.
Energy experts say the real problem for the U.S. isn’t a slow approval process.
Senate Democrats want lawmakers to agree that climate change is a scientific fact.
It’s personal, Sen. Sheldon Whitehouse said.
The White House says the move will help prevent poaching threatening elephants.
He's proposing to expand energy production by beating back a slate of Obama regulations.
Sen. Sheldon Whitehouse (D-R.I.) blasted oil and coal companies for ignoring local effects of...
Green groups react to news of Rep. Henry Waxman's (D-Calif.) retirement.
President Obama said the debate over climate change is settled during his State of the Union speech...