Across
- 2. organic waste, compostable waste
- 3. petrol,gasoline
- 5. clean
- 9. waste glass container
- 12. nature
- 13. exhaust fumes
Down
- 1. heating
- 2. deforestation
- 4. Oil
- 6. environmentally friendly
- 7. World
- 8. power station
- 10. dirty/filthy,soiled
- 11. to become extinct