Across
- 2. THE ONLY RESPONSIBLE FOR POLLUTION
- 6. TOO MANY VEHICLES
- 8. NATURAL HOME
- 10. KIND OF POLLUTION
- 11. LESSEN
- 13. REASONABLE
- 15. POISONOUS AIR
- 16. WASTE
Down
- 1. HAS BECOME IRREGULAR
- 3. TWO SIDES OF A RIVER
- 4. PROTECT
- 5. AVOID TO USE
- 7. ARTIFICIAL HOME
- 9. PLANT MORE
- 12. POWER
- 14. OUR MOTHER
