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Should nuclear fuels be taken out of national hands?

Technology

Should nuclear fuels be taken out of national hands?

To discourage proliferation, calls are growing to establish a system where nuclear materials are managed under international auspices

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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

News

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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How to unplug from the grid

Earth

How to unplug from the grid

Features

Crystals turn roads into power stations

Earth

Crystals turn roads into power stations

By placing piezoelectric crystals under the asphalt that convert vibration into electricity, Israeli engineers hope to harvest energy from passing vehicles

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Earth

Canadian tar plan threatens millions of birds

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Earth

Ten ways to save the world

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Technology

Smart drug implant has batteries included

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Earth

Whatever happened to the hydrogen economy?

Features