Reduce ! Reuse ! Recycle paper, plastics, metals !
Use your own shopping bag
Recycle your own things.
Give your old clothes to a younger friend or to your brother and sister.
Walk, bike, or use public transportation instead of driving.
Plant a tree.
Turn the tap off while washing your hands or brushing your teeth. It will save lots of water.
Take shorter showers.
If you have a back yard, put out containers to catch rainwater. Use it to water flowers.
Turn off the lights in your house when you go out.
Reuse the wrapping paper, newspapers and paper bags!