Carbon Dioxide

Engineers have taken a tip from Medusa, it seems. They have stared down the pesky greenhouse gas carbon dioxide and turned it to stone.

Carbon dioxide emissions are fueling more verdant landscapes around the globe, but the potentially temporary greening doesn't mean global warming is good.

From helping cows get a handle on their flatulence to creating a giant atmospheric shield for the sun's rays, scientists have proposed some crazy climate fix ideas.

The Paris climate meetings begin on Monday. But what exactly are they?

An ancient fossil forest in Norway with tropical origins is one of the earliest forests to appear on Earth.

Puddles make water easier to spot and wipe up, but the traditional laws of physics say water should spread indefinitely. So why doesn't it?

Timeworn Antarctica ice suggests a strong link between carbon dioxide levels and glacial cycles for the past million years.

The climate-changing greenhouse effect exists and has been directly measured in the United States.