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Today's Alternative Energy

Promising technologies to wean the world from fossil fuels, including offshore wind, solar, geothermal and hydrogen cars, among others

Offshore Wind May Power the Future

Not only are offshore winds stronger but landlubbers have fewer objections to turbines almost invisible from the coast

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How does solar power work?

Chemist Paul Alivisatos explains how to generate electricity from sunlight

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Is the Hydrogen Car of the Future Running on Empty?

Scientific American editor Steven Ashley test drives a car that may be the future of automotive transportation--if cost, technology and infrastructure problems can be resolved

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Turning the Tide on Harnessing the Ocean's Abundant Energy

Several companies are in the midst of tests to determine whether their technology for harvesting renewable energy will sink or swim

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