Earth
Can biofuels rescue American prairies?
Yes, say ecologists, but not if the current enthusiasm for corn ethanol continues to hold sway
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Earth
Nations scramble for oil in Arctic
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Earth
Energy-curbing bill passes Congress
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Earth
Buoys flex artificial muscles for renewable energy
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Earth
Revealed: America’s most polluting power plants
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Earth
Flying windmills could harness the jet stream
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Earth
Renewable energy could ‘rape’ nature
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Technology
Summer sun can provide winter heat
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Earth
Taking the fossil out of fossil fuel
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Technology
China simplifies method for turning coal to gas
The new method could make it more economical to exploit coal seams that are otherwise difficult to reach, but also raises environmental concerns
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Earth
Corn biofuel ‘dangerously oversold’ as green energy
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Earth
Amazon dam project gets the go-ahead
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Technology
Exfoliation produces lighter, cheaper solar cells
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Earth
Rising prices could end wasteful gas flaring
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