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energy efficiency

Better world: Top tech for a cleaner planet

Earth

Better world: Top tech for a cleaner planet

There's a lot more to green technology than wind farms. From more efficient aircraft to thread made from chicken feathers, we pick out the best ideas

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Technology

Universal link bids to solve home energy format wars

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Better world: Global green heroes

Earth

Better world: Global green heroes

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Fair carbon means no carbon for rich countries

Earth

Fair carbon means no carbon for rich countries

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Better world: Pimp your house

Earth

Better world: Pimp your house

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Better world: Move to the city

Earth

Better world: Move to the city

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Earth

Geothermal power quakes find defenders

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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

Paying people who generate green energy and feed it back to the grid is the best way to boost uptake of renewable energy

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Earth

Circling turbines spell doom for vultures

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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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Earth

Triumph of the commons: Helping the world to share

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