Riding a bike or walking instead of driving a car.
Use energy efficient light bulbs.
Use refillable water bottles.
Use reusable grocery bags.
Plastic Containers
Papers, newspapers, magazines
Compost food to change it into rich soil.
Use the back side of paper.
Compost leaves and yard waste.
Turn the water off when brushing your teeth.
Use reusable lunch boxes.
Soda Cans
Buy Less!
Using materials for crafts again
Cardboard boxes