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Could your trashcan solve the energy crisis?

Earth

Could your trashcan solve the energy crisis?

Vaporising household waste to create clean energy could solve two of humanity's biggest environmental problems at once. But is "gasification" as green as it sounds?

Features

Earth

How to turn greenhouse gas into a clean fuel

News

Stacked LEDs could shine bright white light

Technology

Stacked LEDs could shine bright white light

News

Earth

Geoengineering could dim lights on solar power

News

Yeast and bacterium turned into gasoline factory

Earth

Yeast and bacterium turned into gasoline factory

News

Gallery: Green innovation challenge

Earth

Gallery: Green innovation challenge

News

Can oil from tar sands be cleaned up?

Earth

Can oil from tar sands be cleaned up?

News

Green and mean: The downside of clean energy

Earth

Green and mean: The downside of clean energy

Features

World's highest-energy laser begins operating

Space

World's highest-energy laser begins operating

News

Batteries grown from 'armour-plated' viruses

Life

Batteries grown from 'armour-plated' viruses

Genetically engineered viruses that assemble into electrodes have been used to make miniature rechargeable batteries for the first time

News

Earth

Are we safe in a new nuclear age?

News

Technology

Yeast-powered fuel cell feeds on human blood

News

Earth

Ice that burns could be a green fossil fuel

News

Technology

Neutron tracks revive hopes for cold fusion

News