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energy efficiency

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Earth

Red Sea mega-dam would be 'irresponsible'

Plans for a huge dam to generate gigawatts of clean energy has been condemned by experts who say it would wreak untold ecological ruin

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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

China surges ahead on clean energy spending

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Plugging into the Sun

Space

Plugging into the Sun

Features

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Earth

Termite tummies give scientists something to digest

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Earth

Cheap hydrogen power gets a nanotube boost

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Technology

Nanotube tangles power printable batteries

Cheap, flexible batteries that can be printed onto a surface could be on the way thanks to networks of carbon nanotubes

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Earth

China on target to meet renewable energy goal

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Earth

Hydrogen brewing gets an electrical boost

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Earth

China special: The solar power king

Features

Earth

The return of coal poses a huge climate threat

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