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Global Warming

More About Global Warming
Photo: Dust and ozone—from urban areas such as Fresno—create problems for agriculture in California's Central Valley

Effects

A changed world.

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Photo: Brent oil field, North Sea, UK

Causes

What happened?

Learn More
Photo: The sun reflects off the Caribbean Sea through scattered puffy clouds into the atmosphere

Solutions

What can we do?

Learn More
Photo: Ecotourists in an inflatable boat explore tall icebergs

The Science

What is global warming?

Get the Facts
Photo: Like giant pinwheels, turbines spin at the Middelgrunden Wind Park, Denmark

Alternative Energy

Cleaner ways to power the world.

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Photo: Spruce forest damaged by acid rain, Poland

Other Environmental Threats

Other perils to the environment.

Get the Facts

Did You Know?

The U.S. is responsible for more green house gas pollution than South America, Africa, the Middle East, Japan and Asia – all put together.

More About Environmental Threats

News: Latest Global Warming Stories

Mississippi River Delta to "Drown" by 2100?
Mystery Glaciers Growing as Most Others Retreat
CO2 Levels Highest in Two Million Years
See More Global Warming News
RSS
What Is RSS?
See More Global Warming News

Related Features
Photo: Smokestacks

Video: What If Earth Warms Six Degrees?

Mass extinctions and other nightmare scenarios figure into one expert's speculations on what Earth would be like at 6°C (10.8°F) warmer.

Watch Video
Photo: Green effect

Who Should Get $20,000?

Who do you want to see receive funding to put their Earth-saving idea into action? Check out the ten Green Effect finalists, and from July 7-20 you can vote—up to once a day—for your favorite idea!

View Ideas
Photo: Wind power

Interactive: Harness the Power of Wind

Engineer your own turbine to harness the power of the breeze, and find out for yourself whether or not the answer to our clean energy problem is blowin' in the wind.

Interactive Turbine

Global Warming Topics

SPECIAL ADVERTISING SECTION

Photo Gallery

See how Lipton is dedicated to sustainable agriculture. View pictures from Boyd Matson's trip to Africa.
Photo: Puffin

Photo Contest

Think your photo is the "Ultimate" winner? Submit your best in six different categories.

Order Extreme Ice Now
Photo: The cover of Extreme Ice Now

This stunning collection of photographs illustrates the catastrophic melting of glacial ice.

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Support Conservation
Photo: Two penguins

Help conserve the world's natural resources.

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EarthPulse
Photo: EarthPulse logo

Learn about your world with National Geographic's visual guide to global trends.

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National Geographic Kids

Image: A cross-section of the human head

Play games, watch videos, and much more in this just-for-kids site.

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