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fossil fuels

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Earth

Clean energy special: The big clean-up

The US, China and Australia have all signed up to a six-nation pact to use technology to halt climate change, but what will it mean for the world?

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'

News

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Squeaky clean fossil fuels

News

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Technology

Fuel cell squeezes more from petrol

News

Hydroelectric power's dirty secret revealed

Earth

Hydroelectric power's dirty secret revealed

Hydroelectric dams produce significant amounts of CO2 and methane - some produce more greenhouse gases than fossil fuel power plants

News

Earth

European trading in carbon-emission permits begins

News

Technology

The clean green energy dream

News

Technology

Power to the people?

News

Technology

America steels itself to take the nuclear plunge

News

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