In a dying world where people struggle to get richer by polluting our own planet, it's always a relief when you find people trying in some way to make other people think. Paul "Moose" Curtis is one of those.

The Reverse Graffiti project brings clean spots in filthy city areas. And those clean spots are transformed in art! In Moose's words: "It's a cold realization that the world is really, really dirty."