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UN ready for climate change talks in New York

Earth

UN ready for climate change talks in New York

World leaders and big business are heading to the UN climate talks in New York, where secretary general Ban Ki-moon hopes to see improved ambition on emissions

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Temperature-driven clock sparks new kind of generator

Technology

Temperature-driven clock sparks new kind of generator

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China clamps down on dirtiest coal to curb pollution

Earth

China clamps down on dirtiest coal to curb pollution

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

Earth

Leaky wells, not fracking, polluted US drinking water

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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

Heat is constantly flowing into space from the ground beneath our feet. Might we capture some of it to generate electricity?

Features

Technology

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

Regulars

Earth

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

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Earth

Massive smart light lab tests tech to slash emissions

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

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