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Earth

Solar-cell material can soak up more Sun

Today's solar cells ignore the 50% of the Sun's energy that reaches Earth as infrared light, but cells made from the new material could harness that too

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Are 'disposable' reactors a safe energy solution?

Earth

Are 'disposable' reactors a safe energy solution?

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Earth

Material that turns heat to power gets efficiency hike

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Interview: Driving towards the 100-mpg car

Earth

Interview: Driving towards the 100-mpg car

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Earth

Chemical breakthrough turns sawdust into biofuel

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Who needs coal when you can mine Earth's deep heat?

Earth

Who needs coal when you can mine Earth's deep heat?

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Earth

Nanotubes bring artificial photosynthesis a step nearer

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Earth

Organic dye lets window panes harvest the Sun

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Earth

Contaminated US site faces 'catastrophic' nuclear leak

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Earth

Wind power sails ahead in UK as US solar plans freeze

The UK government has big plans for wind farms off its coast, but similarly bold plans for solar power in the US are put on hold

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Earth

Cold war 'caterpillar drive' could harvest sea power

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Oil: The final warning

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Comment: Kicking the oil habit

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New technologies promise biofuel 'plan B'

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