Across
- 5. caused by the greenhouse effect
- 7. synonym: vast enhancements
- 11. a layer in the atmosphere
- 12. the heating of the earth
- 13. temperature rise
- 14. synonym: significantly decreased
- 17. waste gases
Down
- 1. something that you can use many times
- 2. a big forest near the equator
- 3. to cut down trees
- 4. surroundings
- 6. noun: pay attention to the nature
- 8. synonym: waste sorting
- 9. accelerates global warming
- 10. synonym: save natural materials
- 15. people who are organized in a environmental organization
- 16. very warm climate