Across
- 7. car
- 9. traffic
- 11. to use
- 13. rubbish
- 15. deforestation
- 16. warming
- 17. to live
- 19. global global warming
- 20. public transport
- 21. problems
Down
- 1. newspapers
- 2. endangered wildlife
- 3. often
- 4. recycling
- 5. to throw (away)
- 6. litter
- 8. to have to do,"must"
- 10. to watch
- 12. environment
- 14. magazines
- 18. traffic jam
