10. Start an eco-based song or tune.
9. Organize a kids’ clothing swap.
8. Power down and have a “No Electricity Day” once in awhile.
7. Build a toy lab instead of a bear with items that can be recycled.
6. Play with trash by turning a neighbourhood cleanup into a scavenger hunt.
5. Head outside and plan outdoor activities.
4. Put your kids in charge of telling you to switch the lights off when you leave the room.
3. Lay materials to be recylced outdoors and jump on them.
2. Collect runoff
1. Be artful by saving items that can be recycled, which have one side blank so the kids can draw or paint on them (ex: back of cereal boxes, pieces of unruled paper, etc.)
According to CNN.com