Shell's CEO Wants Big Oil to Believe in Climate Change. We've Seen This Bait and Switch Before.

One Lonely Republican Voted Against Keystone

Obama Is Right: Climate Change Kills More People Than Terrorism

Clean Coal Is a Pipe Dream. There's Only One Way to Stop Global Warming.

Scientists Discover Air Pollution in Peru From Almost 500 Years Ago

The U.S. Military Worries About Climate Change, So Why Don't Republicans?

Kelly Ayotte Is the Senate's Most Surprising Environmentalist

Big Cattle, Big Gulp

What Happens If Congress Doesn't Deliver on Obama's Climate Promises?

Facing the Truth About Climate Change

Marco Rubio Is Right About Vaccines, But He's Still Totally Wrong About Science

The Obama Administration Can't Decide Whether Keystone Is Bad for the Environment

The Kochs Are Already Getting What They Paid for in Congress

Warning to the 2016 GOP Field: "I'm Not a Scientist" Is a Recipe for Disaster

The Keystone Pipeline Debate Has Been About Everything Except Keystone

It's Time to Remind Climate Change Deniers That Weather and Climate Are Different

Obama Is Leaving India Without a Landmark Climate Deal

President Obama, Cut Dirty Nuclear Power From Your Climate-Change Talks

Mitt Romney and Rand Paul Are Going to Make Climate Change a Real Issue in the GOP Primary

Republican Senators Finally Admit That Climate Change Is Not a Hoax