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Technology

Carbon electrodes could slash cost of solar panels

Transparent electrodes made of thin sheets of graphene could make solar cells and LCDs without using up rare mineral resources

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Earth

Marine algae get the green light from Shell

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Earth

Editorial : Clearing up the confusion over biofuels

Opinion

Is the biofuel dream over?

Earth

Is the biofuel dream over?

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Earth

Red Sea mega-dam would be 'irresponsible'

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Mine waste could fuel its own clean-up

Earth

Mine waste could fuel its own clean-up

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Electric cars could act as batteries for the energy grid

Earth

Electric cars could act as batteries for the energy grid

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Russian nuclear security is 'disturbing'

Technology

Russian nuclear security is 'disturbing'

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Earth

Bulgarian nuclear plant on shaky ground

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Earth

Termite tummies give scientists something to digest

Termite guts teem with bacteria that produce wood-digesting enzymes – researchers hope these might lead to new ways of making biofuel

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Space

Plugging into the Sun

Features

Earth

China surges ahead on clean energy spending

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Earth

Cheap hydrogen power gets a nanotube boost

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Technology

Nanotube tangles power printable batteries

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