The Islamic Climate Change Declaration Could Be More Effective Than Pope Francis's Encyclical

Why Are Americans Less Confident in the Economy Lately? Look at Gas Prices.

One of Obama's Biggest Climate Change Obstacles Is His Own Administration

2015 Is the Year the GOP's "War on Coal" Nightmares Come True

Fracking Is Good for American Consumers

House Republicans Use "Energy Independence" as an Excuse to Slash Climate Funds

This Professor Refuses to Disclose Her Work for an Autocratic Regime. Here's What Happened When I Confronted Her.

Tony Blair Has Another Repressive Central Asian Autocracy to Sell You

Christmas Lights Are Ruining Your Health and the Environment

Republicans Really Don't Care About the Environment—And They Want to Make Sure You Know That

The U.S. Is Accidentally Pushing Kurdistan Toward Independence From Iraq

Big Wind Is Better Than Big Oil, But Just as Bad at P.R.

Why Germany Doesn't Want Sanctions Against Russia, in Two Charts

Keystone Opponents Have Nothing to Apologize For: Stopping the Pipeline Will Slow Climate Change

Giant Fungus Towers Will Take Over New York This Summer

Evidence Is Mounting that Fracking Causes Birth Defects

Environmentalists Made a Big Mistake by Focusing All Their Attention on Keystone

200 Things Obama Can Do For the Environment—Without Congress

5.3 Billion Reasons Why Companies that Built Coal Plants Now Want to Tear Them Down

Ending Energy Subsidies: Environmental No-Brainer, Political No-Winner.