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Cooperative cellphone networks could cut energy waste

Technology

Cooperative cellphone networks could cut energy waste

By sharing antennas, cellphone companies could save big on energy bills and carbon footprints. But can they stop competing long enough to get along?

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Christmas trees could make a great green fuel

Earth

Christmas trees could make a great green fuel

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2011 preview: Charge of the electric car

Earth

2011 preview: Charge of the electric car

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Is night falling on classic solar panels?

Earth

Is night falling on classic solar panels?

News

Sun and sand breed Sahara solar power

Earth

Sun and sand breed Sahara solar power

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Cloud lasers: Hunting quantum secrets in the skies

Earth

Cloud lasers: Hunting quantum secrets in the skies

Features

Earth

Biofuels will up Euro greenhouse emissions

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Earth

Green Machine: Markets hint at 100-year energy gap

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Earth

Green machine: Heat scavengers come in from the cold

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Cold climates no bar to biogas production

Earth

Cold climates no bar to biogas production

Extremophile microbes in mud from a frozen Alaskan lake can be harnessed to make biogas

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Earth

Solar power could crash Germany's grid

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Technology

Work light twice as hard to make cheap solar cells

News

Technology

Charge your phone with a beach towel

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Space

Out-of-this-world proposal for solar wind power

News