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Ice on fire: The next fossil fuel

Earth

Ice on fire: The next fossil fuel

Methane trapped in sub-marine ice and permafrost could possibly fuel the world for hundreds of years – but there's an explosive snag

Features

Virtual power plants could tame coming grid chaos

Earth

Virtual power plants could tame coming grid chaos

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Train can be worse for climate than plane

Earth

Train can be worse for climate than plane

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Poor countries could be paid to go nuclear

Earth

Poor countries could be paid to go nuclear

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Methanol challenges hydrogen to be fuel of the future

Earth

Methanol challenges hydrogen to be fuel of the future

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Earth

Hot rock power scheme could brew trouble in Eden

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Rules of high seas could lead to Arctic 'pole of peace'

Earth

Rules of high seas could lead to Arctic 'pole of peace'

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Alcohol makes autos more climate-friendly

Earth

Alcohol makes autos more climate-friendly

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Earth

Power-hungry gadgets must learn to diet

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Growing biofuel without razing the rainforest

Earth

Growing biofuel without razing the rainforest

You can't cultivate biofuel crops without cutting down trees, right? Not so, says Marcos Buckeridge, who tells Jan Rocha how Brazil can supply the world with green ethanol

Opinion

Earth

Breathing batteries could store 10 times the energy

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Earth

Existing gas power plants could pump out hydrogen

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Earth

Sea 'snake' generates electricity with every wave

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Earth

How to fuel a car on waste plastic

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