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Going Green Quiz
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Environment Features
Photo: Indian Himalayas

Interactive: The Greenhouse Effect

It's one thing to know that excessive carbon emissions are bad. It's another thing to understand why. Get a hands-on tutorial of the inner workings of the greenhouse effect.

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Photo: Sharks

Quiz: Oceans

How much do you know about the world's threatened oceans?

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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
Photo: Prairie with blue sky and clouds

Video: State of the Earth—Turning Point

Green is going mainstream. A shift in public opinion has made climate change a political issue, and businesses see that going green means money.

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Global Warming Topics