How cooking with solar is saving women's lives in a Darfur refugee camp.

Californian vineyards are going solar to make their grapes really green.

Could flying wind farms help beat global warming?

The sleek solar-powered vessels that can cut fuel costs by 90 percent.

Cutting-edge designs from handbags to bikinis that show the potential of solar power.

The power source that's as thin as a piece of paper.

What energy will power your home in 2020? Find out in our quiz.

Marooned in the wilds with no power? These green gadgets could help

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