One third of food made in the world each year ends up in the trash can. How can we stop the waste by putting that food to good use? From TED Ed, learn how worms can naturally convert our organic waste — green leaves, coffee grounds, plant trimmings, raw fruit and veggie scraps, and more — into rich fertilizer: Vermicomposting: How worms can reduce our waste.

Follow that up with Inside the Compost Cycle.

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