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energy efficiency

China special: The solar power king

Earth

China special: The solar power king

There's a green face to China's energy boom, and it's already made one solar entrepreneur a billionaire

Features

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Earth

Hydrogen power lights up the seas

News

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Earth

Bush administration's nuclear plan criticised

News

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Earth

'Humanity at risk' from ecological debt

News

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Earth

Waste wafers give solar power a silicon boost

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Depleting oil supplies threaten 'meltdown in society'

Earth

Depleting oil supplies threaten 'meltdown in society'

News

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Earth

Brazil rides biofuel bandwagon to Africa

News

Light-harvesting nanowire could drive tiny devices

Technology

Light-harvesting nanowire could drive tiny devices

News

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Earth

Mechanical 'fish' could tap turbulence for energy

News

Pentagon backs plan to beam solar power from space

Earth

Pentagon backs plan to beam solar power from space

The US should spend $10 billion to build a test satellite to collect solar energy and beam it to Earth, a new Pentagon report argues

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Earth

Go nuclear for a third industrial revolution, says EC

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Earth

Semiconductor uses the sun to split water

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Technology

Grass-munching bugs could charge rural phones

News

Earth

Rocks could be novel store for wind energy

Features

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