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Power Grid

Green Energy and the Power Grid June 9, 2009 Report The Los Angeles Department of Water and Power is aiming to use 35 percent renewable energy by 2020. But the city faces the same problem that other urban centers do: Most renewable energy sources are located far from the cities that need them. RELATED INFORMATION Web Only Video: Wind Farms in LA     Future City Students Envision "Cities of the Future" April 22, 2009 Report More than 30,000 students from 1,100 middle schools participated in a contest this year to design an efficient, livable "city of the future." RELATED INFORMATION College Students Exhibit Sustainable Design	Polar Science Polar Year Explores How Earth Systems Interact April 10, 2009 In-depth Coverage The poles help keep the planet cool and contain much of the Earth's fresh water locked up in ice sheets. Scientists are wrapping up a two-year intensive period of study of these remote regions involving more than 60 nations. RELATED INFORMATION Slide Show: Scientists Explore the Arctic     Video     Climate Change     Carbon Trading

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