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dark energy

Flow batteries could back up grid of the future

Technology

Flow batteries could back up grid of the future

The batteries' unique design could smooth out the power from renewables and help usher in the rise of more resilient microgrids

Analysis

Volcanoes mark the spot for Africa's buried energy treasure

Earth

Volcanoes mark the spot for Africa's buried energy treasure

Features

US gets tough on Arctic oil drilling

Earth

US gets tough on Arctic oil drilling

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Earth

Deep-sea mining struggles to manage ecological impact

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Fracking could cut carbon emissions… in the short term

Earth

Fracking could cut carbon emissions… in the short term

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Earth

Keystone pipeline is greenest option for tar sands

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Fuel of the future: How fiery ice could power Asia

Earth

Fuel of the future: How fiery ice could power Asia

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Glow planes: Plasmas take the drag out of air travel

Technology

Glow planes: Plasmas take the drag out of air travel

Features

Stomach-twisting fuel storage for gas-powered cars

Technology

Stomach-twisting fuel storage for gas-powered cars

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Technology

Cancer risk lower than feared for Fukushima locals

Residents exposed to radiation from the Fukushima-Daiichi reactor are a little more likely to develop cancer, but the effect is far smaller than many feared

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Earth

Reap the whirlwind for cheap renewable power

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Earth

The pall of Fukushima overshadows our energy future

Opinion

Technology

Giant laser needs a revamp to achieve nuclear fusion

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Earth

Biofuel rush is wiping out unique American grasslands

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