Across
- 7. - impact
- 8. - gutter, waterway
- 10. - pattern
- 12. - regulation
- 14. - healthy
- 15. - improve
- 17. - tendency
- 18. - generate
- 19. - pollution
Down
- 1. - habit
- 2. - limitation
- 3. - government
- 4. - environment
- 5. - Trash
- 6. - problem
- 8. - carelessly
- 9. - trash can
- 11. - community, people, society
- 13. - implementation
- 16. - clean