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2009 review: In green tech we must trust

Earth

2009 review: In green tech we must trust

More brainpower than ever before has been expended on technologies to cut the damage we do to the environment – here are some of the most interesting

News

2010 preview: Automotive X Prize contestants power up

Earth

2010 preview: Automotive X Prize contestants power up

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Plastic bags recycled into nanotubes

Technology

Plastic bags recycled into nanotubes

News

Battery lithium could come from geothermal waste water

Earth

Battery lithium could come from geothermal waste water

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Wind farms don't affect property prices

Earth

Wind farms don't affect property prices

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The research that might save us after Copenhagen

Earth

The research that might save us after Copenhagen

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California gives green light to space solar power

Earth

California gives green light to space solar power

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Earth

Cheap catalyst can make and break hydrogen

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Solar-powered night-flying plane makes its first 'flea hop'

Technology

Solar-powered night-flying plane makes its first 'flea hop'

News

Climate control for your desk

Earth

Climate control for your desk

Individual air conditioning in offices could save energy and make workers more productive

News

Earth

Extreme oil: Scraping the bottom of Earth's barrel

Features

Plenty more oil, but use it wisely

Opinion

Technology

Split-personality home routers can cut net energy use

News

Technology

Safety flaws in US next-gen nuclear reactors

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