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Earth

Amazon dam project gets the go-ahead

The Brazilian government gives preliminary approval for two huge hydroelectric dams, but environmental groups protest

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Technology

Exfoliation produces lighter, cheaper solar cells

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Rising prices could end wasteful gas flaring

Earth

Rising prices could end wasteful gas flaring

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Biorefineries: Curing our addiction to oil

Earth

Biorefineries: Curing our addiction to oil

Features

Earth

Could Russia claim the North Pole?

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Biofuels could spell ecosystem disaster

Earth

Biofuels could spell ecosystem disaster

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Micro-generator feeds on good vibrations

Technology

Micro-generator feeds on good vibrations

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Giant microwave turns plastic back to oil

Earth

Giant microwave turns plastic back to oil

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Technology

Roll up for better hydrogen fuel storage

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Technology

Invention: Superconducting ships

The week's batch of patent applications includes superconducting ship motors, a audio sweet-spot that follows listeners around and an easy-to-use child-seat for cars

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Earth

Power-generating buoys shelter in the deep

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Earth

Mini heat harvesters could be new energy source

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Earth

New nuclear facilities could be in your backyard

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Russia to build nuclear reactor in Myanmar

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