Across
- 2. Contaminated air
- 6. Using less energy - SAVE
- 8. Protecting nature
- 9. Trash on the ground
- 10. Harmful chemical in water
Down
- 1. Energy from the sun
- 3. Plastic, glass, or metal waste
- 4. To use again
- 5. Material that can be recycled
- 7. Trees and plants area