Earth
Renewable energy: Power beneath our feet
It's clean, inexhaustible, provides predictable power and you can get it just about anywhere 鈥� geothermal energy is there for the taking
Features
Earth
Renewable energy: The tide is turning
Features
Earth
Renewable energy: Electric dreams
Features
Earth
Newly discovered fungus strips pollutants from oil
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Earth
Economic turmoil could scupper EU climate plans
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Earth
High-tech sponge could take hydrogen cars further
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Earth
Google announces plan to wean US off coal and oil
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Earth
Is Google gobbling up too much power?
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Earth
Tax credits promise brighter outlook for solar energy
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Earth
Steam power takes to the road again
Eighty years after it went out of fashion, steam is back 鈥� but this time it's clean and green, says Vivien Marx
Features
Technology
Invention special: Green technology
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Earth
Fuel thinner turns diesel cars into greener machines
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Earth
Climate change: how Obama and McCain compare
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Earth
US House lifts 27-year ban on coastal drilling
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