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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

News

Cold war 'caterpillar drive' could harvest sea power

Earth

Cold war 'caterpillar drive' could harvest sea power

Features

Comment: Kicking the oil habit

Earth

Comment: Kicking the oil habit

Comment

Oil: The final warning

Earth

Oil: The final warning

Features

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?

News

Have we underestimated total oil reserves?

Earth

Have we underestimated total oil reserves?

News

US considers nuclear-powered assault ships

Technology

US considers nuclear-powered assault ships

News

Earth

Algae oil promises truly green fuel

News

The greening of Silicon Valley

Earth

The greening of Silicon Valley

The venture capitalists who brought us PCs and the internet are planning to clean up by investing in green energy, says Justin Mullins

Features

Technology

Exotic nitrogen could offer safe rocket fuel

News

Earth

Interview: Bring on the solar revolution

Opinion

Earth

'Self-digesting' biofuel plants could ease food crisis

News

Earth

To make the most of wind power, go fly a kite

Features