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Earth

Chemical breakthrough turns sawdust into biofuel

Lignin makes up a third of the dry mass of wood, but nobody knew how to convert it into ethanol - until now

News

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

Earth

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

News

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Earth

Nanotubes bring artificial photosynthesis a step nearer

News

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Earth

Organic dye lets window panes harvest the Sun

News

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Earth

Contaminated US site faces 'catastrophic' nuclear leak

News

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Space

Iran test fires long-range missiles

News

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Earth

Wind power sails ahead in UK as US solar plans freeze

News

Cold war 'caterpillar drive' could harvest sea power

Earth

Cold war 'caterpillar drive' could harvest sea power

Features

Oil: The final warning

Earth

Oil: The final warning

Features

Could nuclear warheads go off 'like popcorn'?

Technology

Could nuclear warheads go off 'like popcorn'?

Missiles stored in the close confines of a submarine could explode in a chain reaction, according to a UK Ministry of Defence manual

News

Earth

Comment: Kicking the oil habit

Comment

Earth

Time to go ahead with Nevada nuclear dump?

News

Earth

New technologies promise biofuel 'plan B'

News

Earth

Have we underestimated total oil reserves?

News

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