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dark energy

The power walk that charges your phone

Technology

The power walk that charges your phone

A leg brace equipped with an electricity generator produces enough energy to power 10 cellphones with little extra effort

News

Biofuels emissions may be 'worse than petrol'

Earth

Biofuels emissions may be 'worse than petrol'

News

US pulls the plug on flagship clean coal project

Earth

US pulls the plug on flagship clean coal project

News

Super-efficient car to green up the highway

Earth

Super-efficient car to green up the highway

Features

Algae hold the key to the biofuel conundrum

Earth

Algae hold the key to the biofuel conundrum

News

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Technology

Editorial: Don't mess with nuclear safety

Opinion

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Technology

Sacking of nuclear official prompts row

News

Pitter-patter of raindrops could power devices

Earth

Pitter-patter of raindrops could power devices

News

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Earth

Europe unveils ambitious energy plan

News

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Editorial: Supporting role for nuclear power?

There is a case for nuclear power in tackling global warming, but the future lies with renewables

Opinion

Earth

Coal: Bleak outlook for the black stuff

Features

Technology

'Smart heating' fits the bill

News

Earth

Carbon-trading plans could boost nuclear power

News

Earth

Mixed news for US agency over emissions

News

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