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The Science of Global Warming

The Basics

Many kinds of pollution trap heat at the Earth's surface, like a blanket. As pollution builds up, too much heat is being trapped.

More Basics: How heat is trapped
Myths & Facts: The real story
The Ads: Documentation of facts

A Dangerous Spiral

The climate system is complex. Each part depends on other parts. If a critical component reaches a tipping point, the whole system can be disrupted. Here's a look at two keys:

The Arctic: Our air conditioner
The Oceans: Global conveyor belt

How Can We Fix It?

See why each of these sectors matters:

Cars: Better fuel efficiency
Home energy: Re-thinking old power
Industry: Technology and commitment
Agriculture: Acres of opportunity

The Science of Global Warming

The Basics

A Dangerous Spiral

How Can We Fix It?

How you can help »