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fossil fuels

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Earth

Semiconductor uses the sun to split water

A chemical has been used to extract hydrogen from water using sunlight – it could prove an efficient way to make fuel for transport

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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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'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

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Underwater turbines set to generate record power

Earth

Underwater turbines set to generate record power

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Forget biofuels – burn oil and plant forests instead

Earth

Forget biofuels – burn oil and plant forests instead

A new analysis suggests that more carbon could be offset by replanting forests and using conventional fossil fuels than can be saved by using biofuels

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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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Earth

Energy-curbing bill passes Congress

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Earth

Buoys flex artificial muscles for renewable energy

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