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Earth

Organic dye lets window panes harvest the Sun

Trapping sunlight inside normal sheets of glass could reduce the cost of generating photovoltaic power

News

Earth

Contaminated US site faces 'catastrophic' nuclear leak

News

Space

Iran test fires long-range missiles

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Cold war 'caterpillar drive' could harvest sea power

Earth

Cold war 'caterpillar drive' could harvest sea power

Features

Earth

Wind power sails ahead in UK as US solar plans freeze

News

Comment: Kicking the oil habit

Earth

Comment: Kicking the oil habit

Comment

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'?

News

New technologies promise biofuel 'plan B'

Earth

New technologies promise biofuel 'plan B'

News

Time to go ahead with Nevada nuclear dump?

Earth

Time to go ahead with Nevada nuclear dump?

The scientific debate over the site's suitability has run its course and it's time to forge ahead with a test facility, say two senior geologists

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Earth

Have we underestimated total oil reserves?

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Technology

US considers nuclear-powered assault ships

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Technology

US nuclear recycling plans raise proliferation risks

News

Earth

Algae oil promises truly green fuel

News