Reporters are taking bets on when the Paris conference will end.

48 Hours Left, Paris Draft Is Looking Better, Not Great

At the Climate Conference, the Rich Are Working to Stay Rich

There’s One Issue that Could Make or Break a Climate Deal

The Climate Talks Are All About Money

Let’s Make a Deal: Climate Negotiators Eye the Endgame

The Beauty of the World’s Largest Solar Project

Paris: It’s All About the Money

Over $2 Trillion Now Divested From Fossil Fuels. Why Hasn't the Vatican Joined?

"I Thought We’d Already Answered That Question": Will Politicians Keep Talking About Climate Change?

A Psychologist Explains the Motives Behind the Fake Sandy Pics

After Sandy, a Climate Change Conversation? Dream On

Why Won’t Obama or Romney Talk Climate Change?

Where the Wild Things Were

A Tale of Two Surveys: How to Understand The Only Polls Showing Obama in the Lead

Nearing the Point of No Return? A Conversation With the Author of a Game-Changing New Climate Study

Creating Value from Society's Waste: The Viennese Method

What Would You Pay for Clean Water?

Slideshow: The Animals Still Suffering From the BP Oil Spill

The Experiment