TEDTalks : Simple designs that could save millions of childrens torrent

TEDTalks : Simple designs that could save millions of childrens' lives - Amy Smith (2006)

Fumes from indoor cooking fires kill more than 2 million children a year in the developing world. MIT engineer Amy Smith details an exciting but simple solution: a tool for turning farm waste into clean-burning charcoal.

http://www.ted.com/index.php/talks/amy_smith_shares_simple_lifesaving_design.html