Time it takes for garbage to decompose in the environment:

Glass Bottle.......................... 1 million years
Monofilament Fishing Line… 600 years
Plastic Beverage Bottles…… 450 years
Disposable Diapers………… 450 years
Aluminum Can..................... 80-200 years
Foamed Plastic Buoy……… 80 years
Foamed Plastic Cups……… 50 years
Rubber-Boot Sole............... 50-80 years
Tin Cans……………………. 50 years
Leather................................. 50 years
Nylon Fabric........................ 30-40 years
Plastic Film Container........ 20-30 years
Plastic Bag.......................... 10-20 years
Cigarette Butt...................... 1-5 years
Wool Sock............................ 1-5 years
Plywood…………………….. 1-3 years
Waxed Milk Carton………… 3 months
Apple Core…………………. 2 months
Newspaper………………….. 6 weeks
Orange or Banana Peel...... 2-5 weeks
Paper Towel……………….. 2-4 weeks
Information Source: U.S. National Park Service; Mote Marine Lab, Sarasota, FL.