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.

This Is Obama's Strongest Statement Yet Against the Keystone Pipeline

Is This the Keystone XL Pipeline's Final Showdown?

Obama Is Having a Really Good Week for a Lame Duck President

GOP Senator Invents a Completely New Form of Climate Change Denial

Even China's Communist Party Accepts That Climate Change Is Real. Republicans Still Don't.

Republicans Are Furious About Obama's Climate Breakthrough With China

The World Has Waited for the U.S. and China to Take Action on Climate Change. They Just Did.

Five Years Ago, Obama Promised to Phase Out Government Subsidies for Oil and Gas Exploration. Instead, They've Doubled.

The Senate's New Environmental Leader Thinks Michael Crichton Is a Climate Expert

Climate Denier Ted Cruz Is Poised to Become a Lead Senator on Science

Tom Steyer: "I Have No Second Thoughts Whatsoever."

Congratulations, Voters. You Just Made This Climate Denier the Most Powerful Senator on the Environment.

This Election's Top Donor Is an Environmentalist. So Where Are the Results?