Earth
Biofuels will up Euro greenhouse emissions
European plans for biofuel in cars and trucks will create more greenhouse emissions, not less
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Earth
Green Machine: Markets hint at 100-year energy gap
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Earth
Green machine: Heat scavengers come in from the cold
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Earth
Cold climates no bar to biogas production
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Earth
Solar power could crash Germany’s grid
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Technology
Work light twice as hard to make cheap solar cells
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Technology
Charge your phone with a beach towel
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Physics
Out-of-this-world proposal for solar wind power
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Technology
Oil company to build longest floating vessel ever
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Technology
Japan to begin drilling for methane in undersea slush
Without conventional fossil fuels to secure its energy demands, Japan is encouraging interest in the methane hydrate deposits in its coastal waters
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Technology
Born-again solar cells are more efficient
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Environment
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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