Across
- 3. woods A place with many trees.
- 4. trash, garbage Things you throw away.
- 6. plant A tall plant with a trunk and branches.
- 7. outdoors Plants, animals, and the world around us.
- 9. not dirty Without dirt or pollution.
Down
- 1. protect To protect nature and not waste resources.
- 2. dirty air or water Harm that makes the environment dirty.
- 4. stream A long flow of water.
- 5. use again To make old things into new things.
- 8. world The planet where we live.