Just how dirty is the air you breathe? The American Lung Association's annual report of the most polluted cities in the U.S. rates communities on levels of ozone, sulfur dioxide, air-borne particulates and tainted tap water. Here are the 20 cities most polluted by year-round particle pollution:
Have you ever considered calling 911 because of a massive spider in your house? How about because a McDonald's employee got your order wrong? Take a look at some of the strangest reasons people have recently called 911.