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Space

Out-of-this-world proposal for solar wind power

The world's energy needs could be met 100 billion times over using a satellite to harness the solar wind – but only if we can figure out how to focus

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Oil company to build longest floating vessel ever

Technology

Oil company to build longest floating vessel ever

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Technology

Japan to begin drilling for methane in undersea slush

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Technology

Born-again solar cells are more efficient

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Green machine: Squeezing solar juice from jellyfish

Technology

Green machine: Squeezing solar juice from jellyfish

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Technology

Edible crystals could store hydrogen fuel

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Earth

Briefing: How bad is the new Gulf oil rig fire?

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Earth

Mobile chargers could keep electric cars juiced up

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Arctic oil and gas drilling ready to take off

Earth

Arctic oil and gas drilling ready to take off

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Green machine: Perfecting the plant way to power

Earth

Green machine: Perfecting the plant way to power

Efforts to develop solar-powered water splitters are starting to bear fruit

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Earth

Innovation: Sunrise boulevards could bring clean power

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Technology

Can we grab electricity from muggy air?

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Technology

Medical nanotech could find unconventional oil

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Earth

Green machine: Wave power line jacks into the grid

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