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Environment

The Green Guide

The Poll Retrieving poll...

Environment Features

Photo: A cow

Video: Cutting Cow Emissions

Cows' emissions of methane, a greenhouse gas, can be reduced with a more natural diet, farmers are learning.

Photo: Amman, Jordan, night view with lightning over cityscape

Interactive: Make Lightning Strike

Guaranteed to be safer than Ben Franklin's kite experiment, learn the shocking details and damaging power of lightning first hand by spinning up your own virtual thunderbolts.

Photo: Large waves characterize the Southern Ocean surrounding Antarctica

Quiz: Habitats

Earth's surface is made up of thousands of different habitats and ecosystems, all with unique characteristics. Can you tell the difference between a desert and a tundra? Know how much of Earth's surface is all wet?

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.

Environment Topics

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Photo: Photosynth of the Lincoln Memorial

Photo Gallery

See several American Wonders in 360 degrees and submit your own photos!

Photo: El Capitan and the Merced River

Contest Winner Announced

Find out who was voted the ultimate photographer!

Support Conservation

Photo: Two penguins

Help conserve the world's natural resources.

True Green

Image: Cover of the book titled True Green

100 ways to contribute to a healthier planet.