How solar stoves can reduce the amount of smoke produced
Media playback is unsupported on your device
Video

How solar stoves cut cooking smoke

The US Secretary of State Hillary Clinton has announced a global partnership to tackle the scourge of toxic smoke from indoor cooking fires.

Cooking smoke is estimated to shorten the lives of 1.9 million people a year; it also contributes to climate change.

The BBC's Roger Harrabin shows how a cleaner solar stove works.

  • 21 Sep 2010
Go to next video: Cooking smoke 'kills two million'