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Earth

Editorial: A chance to crack the oil addiction

New legislation in the US may make it easier to build more oil refineries, but there are still radical ideas for clean energy waiting to be explored

Opinion

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Technology

Hot new fuel for nuclear reactors

News

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Technology

Hydrogen generator could power electronic gadgets

News

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Earth

Clean energy special: The big clean-up

Features

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Earth

Clean energy special: Eastern promise

Features

Clean energy special: A greener goal for coal

Earth

Clean energy special: A greener goal for coal

Features

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Earth

Coal-powered fuel cell aims for efficiency

News

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Technology

What ifÂ… Electric motors pre-dated steam engines

Features

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Space

'Antimatter harvester' may fuel future spacecraft

News

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Earth

The filthy truth about diesel 'mules'

With almost as many on the road as cars and trucks, is it time to clean up China's rural three-wheeled vehicles?

News

Squeaky clean fossil fuels

News

Technology

Fuel cell squeezes more from petrol

News

Earth

Hydroelectric power's dirty secret revealed

News

Earth

European trading in carbon-emission permits begins

News

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