View full lesson: http://ed.ted.com/lessons/vermicomposting-how-worms-can-reduce-our-waste-matthew-ross

Nearly one third of our food ends up in the trash can. There is hope, however, in the form of worms, which naturally convert organic waste into fertilizer. Matthew Ross details the steps we can all take to vermicompost at home -- and why it makes good business sense to do so.

Lesson by Matthew Ross, animation by Cinematic Sweden.

Learn more about your ad choices. Visit megaphone.fm/adchoices