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Algal power not so green after all, yet

Earth

Algal power not so green after all, yet

Algae have been touted as a solution to environmental worries over biofuels, but they may be a long way from providing a truly green option

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Nanotube dye makes wearable batteries

Technology

Nanotube dye makes wearable batteries

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Technology

CO₂ in the air could be green fuel feedstock

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World's communications network due an energy diet

Technology

World's communications network due an energy diet

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NASA feels 'plutonium pinch' earlier than expected

Space

NASA feels 'plutonium pinch' earlier than expected

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Earth

Avoiding dangerous warming by 2100 'barely feasible'

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Artificial leaf could make green hydrogen

Earth

Artificial leaf could make green hydrogen

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2009 review: In green tech we must trust

Earth

2009 review: In green tech we must trust

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2010 preview: Automotive X Prize contestants power up

Earth

2010 preview: Automotive X Prize contestants power up

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Plastic bags recycled into nanotubes

Technology

Plastic bags recycled into nanotubes

Waste polyethylene from shopping bags and other sources can easily be converted into carbon nanotubes suitable for use in batteries

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Earth

The research that might save us after Copenhagen

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Earth

Battery lithium could come from geothermal waste water

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Earth

Wind farms don't affect property prices

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Earth

California gives green light to space solar power

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