This post has not been vetted or endorsed by BuzzFeed's editorial staff. BuzzFeed Community is a place where anyone can create a post or quiz. Try making your own!
Reinvent the Toilet
Four out of 10 people worldwide don't have a safe way to poop. Find out why we need a toilet revolution. We need new ideas to help reduce disease and find new ways to turn crap into valuable stuff, like fuel, fertilizer, and fresh water.
