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dark energy

Prairie grass revives hopes for biofuels

Earth

Prairie grass revives hopes for biofuels

North American switchgrass produces more than 540% more energy than that needed to grow it and convert it to ethanol, field studies show

News

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Earth

US to turn off power-hungry light bulbs

News

Can we stop the internet destroying our planet?

Technology

Can we stop the internet destroying our planet?

News

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Technology

Carbon electrodes could slash cost of solar panels

News

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Earth

Marine algae get the green light from Shell

News

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Earth

Editorial : Clearing up the confusion over biofuels

Opinion

Is the biofuel dream over?

Earth

Is the biofuel dream over?

News

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Earth

Red Sea mega-dam would be 'irresponsible'

News

Mine waste could fuel its own clean-up

Earth

Mine waste could fuel its own clean-up

News

Electric cars could act as batteries for the energy grid

Earth

Electric cars could act as batteries for the energy grid

Electric and hybrid vehicles could act as cheaper energy stores while not being driven, say US researchers

News

Earth

Bulgarian nuclear plant on shaky ground

News

Technology

Russian nuclear security is 'disturbing'

News

Earth

China surges ahead on clean energy spending

News

Space

Plugging into the Sun

Features

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