(the sound is very low, but the video is well worth it)

“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.

“Amy Smith designs cheap, practical fixes for tough problems in developing countries. Among her many accomplishments, the MIT engineer received a MacArthur “genius” grant in 2004 and was the first woman to win the Lemelson-MIT Prize for turning her ideas into inventions.” (TED)

Amy Smith is an inventor and educator.  She founded MIT’s D-Lab in 2002.  In 2010, she was named one of TIME Magazine’s 100 Most Influential People in the World.