Alternative Energy

Bionic leaf converts solar energy into liquid fuel

The Negawatt is ready for its close-up

This theater is heated with sewage (and no, it doesn't smell)

Africa gets its first people-powered soccer pitch

There's a picturesque town in the French Alps that generates cheese power

Fossil fuel defectors are embracing clean tech

Lamp powered by a single plant can stay lit for hours

The clean energy breakthroughs that Silicon Valley billionaires are betting on

Rwanda builds utility-scale solar farm in 1 year

The world's poop could be worth $9.5 billion?

New refrigerator cools food without electricity

Will clean tech make fossil fuels more expensive?

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