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China Promises for Cleaner Environment
- Watch this video about environmental concerns in China on HowStuffWorks. Last year, China missed its goals of cutting by 4 percent the amount of energy it uses to generate each unit of national income and of reducing emissions of key pollutants by 2 percent. Melting glaciers and filthy cities are the price of development and rising living standards for millions of Chinese, but a "greener" China is on the horizon as the government pushes stricter standards and the private sector experiments with cleaner fuels and communities.
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Discoveries: Toxic Hurricane
(1:05)
After the winds of Hurricane Katrina died down, the Gulf Coast was left with a toxic mess. Learn more about cleaning up our environment in this video.
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Forces of Nature: Tropical Storms
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Hurricanes can last for days and have a large area of destruction.
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How Tornadoes Work
(6:30)
Tornadoes are one of the most violent type of storms, with 800 each year in the U.S. Learn more about tornadoes in this video from Discovery.
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Discovery Wonders of Weather: Lightning Phenomena
(5:05)
Lightning will strike anything that stands high above the ground. Trees are a favorite target. Watch a lightening video at HowStuffWorks.
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Why? Tell Me Why! Alaska Oil
(1:30)
After spending a week in Alaska, Discovery News' Kasey-Dee Gardner wanted to find out why the state is so abundant in that resource.
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Mountain Building: Volcanic Mountains
(5:46)
Volcanic mountains form when magma or lava solidifies into solid rock. This type of mountain commonly forms on divergent boundaries and on some convergent boundaries.
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Making the Grade at Avalanche School
(0:29)
Avalanches are fast, powerful and just plain scary; and Alaska Avalanche School director Blaine Smith knows all about them. Jorge Ribas asks him three questions.
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Planet Earth: Mountains: On the Edge
(2:59)
The largest glacier lies in the Karakoram Mountains in Pakistan.
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