Since there is little oxygen underground, where we bury our garbage, to help bacteria eat the garbage, almost nothing happens to it. Scientists have dug into landfills and found ears of corn still intact after 20 years, and newspapers still readable after 30.
The average American makes about 3.5 pounds of trash a day.
Turn off lights.
Turn off other electric things, like TVs, stereos, and radios when not in use.
Use rechargable batteries.
Do things manually instead of electrically, like open cans by hand.
Use fans instead of air conditioners.
Use less hot water.
Whenever possible, use a bus or subway, or ride your bike or walk.
Try to buy organic fruits and vegetables if you're concerned about pesticides.