Earth
Oil rigs may be fit for porpoise
The finding that North Sea drilling platforms are cetacean feeding grounds prompts the question: should old rigs be left in place once their commercial life is over?
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Technology
Atomic construction yields punchier power store
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Earth
From AC to DC: Going green with supergrids
Features
Earth
Solar power schemes could protect nature reserves
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Earth
‘Nanoball’ batteries could recharge car in minutes
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Earth
Salt solution: Cheap power from the river’s mouth
Features
Earth
Gas tank of the future takes a step closer
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Earth
Sun-powered device converts CO2 into fuel
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Earth
Why sustainable power is unsustainable
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Earth
Carbon catalyst could herald cut-price fuel cells
The high cost of the platinum needed to make fuel cells work efficiently has been a major barrier to their use, but carbon nanotubes might be a cheap replacement
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Earth
Cheap, super-efficient LED lights on the horizon
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Earth
US states may regain control of vehicle emissions
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Earth
Could biodiesel power future rockets?
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Earth
A smarter way for oil firms to pay for eco damage
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