If you haven't seen The Hustler yet, one of the best movies in the history of cinema, please don't delay it anymore. This movie will leave you in awe from beginning to end. And while you are at it, have a whiskey or two.
Check out the stark difference between these two satellite images, taken on March 19, 2010 and March 19, 2011. The left image shows much more ozone (in red) over the Arctic than the right image. What's happened?