4.5 trillion:  Number of cigarette butts that wind up as litter worldwide per year

1.35 trillion: Cigarette filters manufactured annually for major brands of U.S. cigarettes

1.69 billion:  Pounds of butts that wind up as litter worldwide per year

12,000:  Plastic-based fibers in a cigarette filter

5,654:  Number of butts volunteers cleaned up from North Avenue Beach (Chicago) in just 3 hours in September 2006

200:  Number of butts that, taken as a whole, contain enough nicotine to kill an adult

30 :  Percentage of waste in U.S. shorelines, waterways and on land made up by cigarette butts

10-15 years:  Length of time it takes a filter's component fibers to break down; they do not biodegrade

2 months:  Length of time it takes a new, food-starch-based cigarette butt to biodegrade

1:  Rank of cigarette butts in list of worst litter problems in the U.S.