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Earth

Geothermal power quakes find defenders

Getting power from hot rocks causes earthquakes, but they are no worse than a "dog barking next door", a seismologist says

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How to short-circuit the US power grid

Technology

How to short-circuit the US power grid

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Methane mining could trigger killer gas cloud

Earth

Methane mining could trigger killer gas cloud

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Better world: Generate a feed-in frenzy

Earth

Better world: Generate a feed-in frenzy

Features

Earth

Circling turbines spell doom for vultures

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Soap bubbles to take the drag out of future cars

Technology

Soap bubbles to take the drag out of future cars

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Earth

Bug power makes salt water sweet

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Triumph of the commons: Helping the world to share

Earth

Triumph of the commons: Helping the world to share

Features

Earth

Green power safer for workers than fossil fuels

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How to turn seawater into jet fuel

Earth

How to turn seawater into jet fuel

The US navy has shown it can take carbon dioxide and hydrogen from the ocean and turn it into fuel – but this is far from free energy

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Earth

As Arctic Ocean warms, megatonnes of methane bubble up

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Earth

Future trucks: Cleaning up the kings of the road

Features

Earth

Glass leaf 'sweats' to generate electricity

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Earth

US vehicle efficiency hardly changed since Model T

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