Start a compost pile.

Fill a milk jug or soda bottle with water and place in toilet tank.

Turn off water while you brush your teeth.

Think before you throw it away.

Donate or sell items you don't want.

Turn off lights when you leave.

Walk or bike instead of driving when possible.

Control Junk Mail! Send a postcard to the following address, listing your name,
     address, and all variations under which you receive mail:

Mail Preference Service
Direct Marketing Association
PO Box 9008
Farmingdale, NY 11735-9008