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How to fuel a car on waste plastic

Earth

How to fuel a car on waste plastic

The dream of being able to fuel a vehicle on trash comes a step closer with the discovery that dissolving polystyrene cups in biodiesel increases power output

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Humanity's carbon budget set at one trillion tonnes

Earth

Humanity's carbon budget set at one trillion tonnes

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Geothermal explosion rocks green energy hopes

Earth

Geothermal explosion rocks green energy hopes

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Could your trashcan solve the energy crisis?

Earth

Could your trashcan solve the energy crisis?

Features

Earth

How to turn greenhouse gas into a clean fuel

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Earth

Geoengineering could dim lights on solar power

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Stacked LEDs could shine bright white light

Technology

Stacked LEDs could shine bright white light

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Yeast and bacterium turned into gasoline factory

Earth

Yeast and bacterium turned into gasoline factory

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Gallery: Green innovation challenge

Earth

Gallery: Green innovation challenge

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Can oil from tar sands be cleaned up?

Earth

Can oil from tar sands be cleaned up?

Canadian tar sands contain the world's second-largest reserves of oil, but extracting it is a filthy process. Bacteria and steam may help to clean it up

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Earth

Green and mean: The downside of clean energy

Features

Space

World's highest-energy laser begins operating

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Life

Batteries grown from 'armour-plated' viruses

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Earth

Are we safe in a new nuclear age?

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