With rising temperatures putting polar bears at risk, the Bush administration may have to embrace greenhouse gas reduction to save the animals.

"It's all related to global warming. That's what's happening. We've seen in the past century, sea level is rising four times faster than in the preceding 1,000 years," Torngvist says.

At any given time, about two-thirds of Earth's surface is covered by clouds. Overall, they make the planet much cooler than ...

The poster, "Global Warming and the Impact of Industrial Pollutants on the Environment and Health," is a series of colorful panels illustrating and describing global warming's effect on the ...

Every year, world leaders meet at climate conferences and hash out agreements that mean nothing. A new paper suggests a very different strategy for the world to meet its global-warming goals.

You may not believe me, but I have news about global warming: Good news, and better news. Here is the good news. US carbon emissions are decreasing rapidly. We're down over 10% from our emissions ...