The 15 most toxic places to live

From The Mother Nature Network:

As the world’s population balloons to almost 7 billion, it’s become more and more difficult to find anywhere on Earth unaffected by man-made pollution and development, and far too often it takes things going really wrong before people take action to keep our planet clean. So here’s a list that might help to motivate: The 15 most polluted places in the world.

(Ok, number 16, the Earth’s orbit, may be polluted but I think there a few other reasons why I wouldn’t want to live there.)