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Renewable energy

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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Grass-munching bugs could charge rural phones

Technology

Grass-munching bugs could charge rural phones

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Rocks could be novel store for wind energy

Earth

Rocks could be novel store for wind energy

Features

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Earth

'Smart roofs' can keep you cool and save energy

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Earth

Redesigned petrol engine promises green gains

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Technology

Computers learn to fly kites for renewable energy

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Antarctic pod makes way for green research

Earth

Antarctic pod makes way for green research

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Fossil-fuel hangover may block ice ages

Earth

Fossil-fuel hangover may block ice ages

Burning fossil fuels will disrupt the atmosphere for hundreds of thousands of years, and may prevent the onset of the next ice age

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Earth

Underwater turbines set to generate record power

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Earth

Forget biofuels – burn oil and plant forests instead

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Earth

Nations scramble for oil in Arctic

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Earth

Can biofuels rescue American prairies?

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