Enter the White Roof Project, which offers up this stunning infographic and, best of all, a way to help. Through the White Roof Project, you can help identify dark roofs, adopt a roof (meaning, donate money that goes to painting one dark roof white), and even volunteer to help paint an actual roof in New York City. And while that seems pretty local, it also seems like a reasonable goal—one that can then be implemented in other cities.
Read more: White Roof Project
(Image: J.K. Behan Roofing, via this post.)