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dark energy

Deepwater Horizon oil spill

Earth

Sponge can soak up and release spilled oil hundreds of times

A new foam material could be the first good reusable method to recover spilled oil, and would be much better for the environment

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telescope 1

Technology

How to dust a telescope’s 78-square-metre mirror with CO2

Regulars

Spraying fertiliser on wheat

Earth

A loaf of bread emits half a kilo of CO2, mainly from fertiliser

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Coal getting passed arounf the Australian parliament

Earth

There's no such thing as 'clean coal' – it’s dirty and expensive

Analysis

The EU’s renewable energy policy is making global warming worse

Earth

The EU’s renewable energy policy is making global warming worse

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Boat on dried-up lake floor

Life

Massive lake drained for hydropower leaves dry bed and no fish

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a wood-burning stove

Earth

Wood-burners: London air pollution is just tip of the iceberg

Insight

Donald Trump

Earth

Trump ditched Obama's climate and water policies on first day

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Melbourne tram

Earth

Big cities warm up during the week as commuters flock in

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Tidal energy could work for the UK

Earth

UK urged to push ahead with world-first tidal lagoon power plant

An independent review commissioned by the UK government is expected to back the mega-scheme to harness energy from tides

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Space

First test of rival to Einstein's gravity kills off dark matter

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Space

Dark matter that talks to itself could explain galaxy mystery

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Technology

How challenging the meaning of 'fuel' lets the real world in

Culture

Earth

Finland set to become first country to ban coal use for energy

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