Media playback is unsupported on your device

Cooking stove helps fight Himalayas glacial melt

24 September 2013 Last updated at 00:36 BST

Scientists have discovered that smoke from cooking stoves and dirty engines is causing glaciers to melt faster.

The glaciers are already under pressure from climate change. The smoke also deposits black soot on to the glaciers, which makes them absorb more heat.

A project in India, partly funded by British aid, is trying to get families to swap their traditional mud cookers for cleaner cookers - but they are more expensive and some families cannot afford them.

Roger Harrabin travelled to Tanda, a village in northern India, to see the effects of the old cookers, and find out how the new stoves work.

BBC © 2014 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.