Across
- 1. a special forest which located in the tropics
- 4. a process that results from rising water levels
- 7. shooting wild animals
- 8. the process of cutting down trees in the woods
- 10. a person who fight against environmental damage
- 11. the community of life that surrounds people
- 14. a source of energy extracted from nature
- 15. natural home or environment of an animal or plant
- 16. dirty water used in household
- 17. gas emitted by plants
- 18. in today's world, it is the most widely used material that can destroy aquatic life
- 20. it doesn't rain for a long time and results in water shortage.
Down
- 2. the process of making a new product from waste
- 3. an area, water or air that is not clean
- 5. the process by which the soil becomes barren, dry sand
- 6. it is a used thing, an object that we throw away in the trash after using it
- 9. animal species that are on the verge of extinction
- 12. all passion is like that
- 13. the process of throwing garbage in to the nature
- 19. flue gas from car exhaust