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Invention: Tree-hugging wind turbine

Earth

Invention: Tree-hugging wind turbine

Perfect for cities, the new device can mount around the outside of any vertical structure such as a chimney or phone mast, says a patent application

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Should nuclear fuels be taken out of national hands?

Technology

Should nuclear fuels be taken out of national hands?

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World's smallest fuel cell promises greener gadgets

Technology

World's smallest fuel cell promises greener gadgets

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Green fuel technologies pick up speed in 2008

Earth

Green fuel technologies pick up speed in 2008

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News review 2008: Oil shock hits the world

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Is the Exxon Valdez spill site finally clean?

Earth

Is the Exxon Valdez spill site finally clean?

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Earth

Switch to biofuels boosts insect pest

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Platinum-free fuel cell promises cheap, green power

Earth

Platinum-free fuel cell promises cheap, green power

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Super-biofuel cooked up by bacterial brewers

Earth

Super-biofuel cooked up by bacterial brewers

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Earth

Canadian tar plan threatens millions of birds

A new report says that Canada's mining of huge oil sand deposits threatens to destroy the habitat of millions of migratory birds

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Earth

How to unplug from the grid

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Earth

Crystals turn roads into power stations

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Earth

Ten ways to save the world

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Earth

Whatever happened to the hydrogen economy?

Features