Across
- 2. Earth too hot
- 5. Can be dangerous if mismanaged
- 6. Natural energy
- 9. Reuse
- 11. Keep heat in
- 12. Outside
- 13. Better
Down
- 1. Too many people
- 3. Smog building
- 4. Protective layer
- 6. Government rules
- 7. pollution London had to deal with this in the early industrial era
- 8. Throwing away
- 10. Dangerous precipitation
- 14. Carboard boxes
