Originally Posted by Kanevra

I do all of the following:

Recycle.
Never litter, ever.
Use energy efficient lightbulbs.
Use energy saving power strips.
Turn off AND unplug anything that I'm not using. (TV, computer, toaster, etc.)
Shower but never leave the water on the entire time. (European style)
Plant trees and other plants.
Buy organic as often as possible. (it gets very expensive though.)
Walk anywhere I can instead of driving.