Pope Francis Has Declared War on Climate Deniers

Obama Went on the War Path in 2014 Not Just for His Legacy, But Hillary's Too

Obama Made Environmentalists Very Happy This Year. Here's What He Needs to Do to Keep It That Way in 2015.

This Is What Our Hellish World Will Look Like After We Hit the Global Warming Tipping Point

The Watered-Down Climate Deal Won't Be Enough to Stop Global Warming

The Climate Agreement in Lima Isn't Enough. Here's a Better Solution.

House Republicans Voted Against the Environment More Than 500 Times in the Past Four Years

Republicans: We Will Keep the Government Open If We Can Pollute the Air and Water More

If You Care About the Future of the Planet, the Next Two Weeks Matter

The Supreme Court's New EPA Case Has More to Do With Climate Change Than You Think

Andrew Cuomo Just Made a Huge Mistake by Playing Dumb on Climate Change

Even After This Freezing Week, 2014 Will Probably Be the Warmest Year Ever Recorded

Poll: Two-Thirds of Americans Support an Environmental Policy That Republicans Hate

The Keystone Pipeline Is Still on Hold. Tar Sands Extraction Is Not.

Mitch "I'm Not a Scientist" McConnell Suddenly Believes in Science

Keystone XL Heads to a Senate Vote, Despite Irrelevance

This Mesmerizing NASA Video Shows How Carbon Pollution Spreads Across the Planet

Obama Is Driving a Wedge Between the World's Two Most Powerful Climate Change Deniers

Obama Puts Australia's Climate-Denying Prime Minister on the Spot

The Ocean and Atmosphere Are Hotter Than Ever. Now, Lightning Is About to Become Worse Than Ever.