Across
- 1. Energy from the sun
- 4. Reduce, reuse, and…
- 5. Fuel from dead plants/animals
- 7. Pollution from sound
- 10. Energy from water
Down
- 2. Turning waste into material
- 3. Cutting down trees
- 6. Energy from the wind
- 8. Ocean pollution
- 9. Air pollution from exhaust