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Oil: The final warning

Earth

Oil: The final warning

Price is just the start of it. We need to kick the petroleum habit or we'll soon be in real trouble, says Ian Sample

Features

Time to go ahead with Nevada nuclear dump?

Earth

Time to go ahead with Nevada nuclear dump?

News

New technologies promise biofuel 'plan B'

Earth

New technologies promise biofuel 'plan B'

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

Features

Exotic nitrogen could offer safe rocket fuel

Technology

Exotic nitrogen could offer safe rocket fuel

News

Interview: Bring on the solar revolution

Earth

Interview: Bring on the solar revolution

Opinion

'Self-digesting' biofuel plants could ease food crisis

Earth

'Self-digesting' biofuel plants could ease food crisis

As biofuel helps push up food prices, researchers say that unusual genetic engineering may be the best way to get cheap ethanol from inedible plants

News

Earth

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

Features

Earth

When burning gas is good for the planet

News

Earth

Fuel prices hit US drivers where it hurts

News

Earth

Women farmers face eviction in biofuels boom

News