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$Leaky wells, not fracking, polluted US drinking water$

Earth

Leaky wells, not fracking, polluted US drinking water

The act of fracking is probably not contaminating US drinking water – the real problem is leaks from the wells that bring natural gas to the surface

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Urban wastelands worth millions for what they give us

Earth

Urban wastelands worth millions for what they give us

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Space

Water-splitter could make hydrogen fuel on Mars

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Earth

Want to grow the UK economy? Invest in green energy

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'Reckless' BP faces $18bn fine for Deepwater oil spill

Earth

'Reckless' BP faces $18bn fine for Deepwater oil spill

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Race to electrify rural Africa could help the West too

Technology

Race to electrify rural Africa could help the West too

Analysis

Earth electric: Harnessing our planet's low glow

Earth

Earth electric: Harnessing our planet's low glow

Features

How many motors can NASA cram on its fryer-oil flier?

Technology

How many motors can NASA cram on its fryer-oil flier?

Regulars

Beijing's coal ban may herald the end of the fuel

Earth

Beijing's coal ban may herald the end of the fuel

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Massive smart light lab tests tech to slash emissions

Earth

Massive smart light lab tests tech to slash emissions

Copenhagen is the site for a huge experiment in smart lighting that could save money, cut carbon emissions and even alert police to suspicious activity

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World's poor need grid power, not just solar panels

Comment

Earth

UK's national parks may not be safe from fracking

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Technology

As sanctions deepen, just how crucial is Russian gas?

Comment

Earth

Kelp wanted: Pioneering the seaweed farm of the future

Features