Across
- 6. rain with dangerous chemicals
- 8. the increase in the world’s temperature due to pollution
- 10. knowing or realizing sth
- 12. the action of making the air dirty
- 13. to keep safe
- 15. a long period without rain
- 17. a small amount of liquid
- 20. a can containing a spray of liquid and gas
- 21. make sth smaller/less
- 26. an organisation which helps people in need
- 27. to destroy
- 29. the large areas of ice at the polar regions
- 30. to cover a place with water
Down
- 1. the member of a society or country
- 2. a machine used in the house
- 3. to die from hunger
- 4. common, ordinary
- 5. becoming liquid because of heating
- 7. people who care about the environment
- 9. a source of fuel taken from the ground e.g. coal, gas
- 11. to make sth dirty
- 14. items of unwanted waste
- 16. to use sth again after its original purpose
- 18. to no longer exist
- 19. to affect or change sth
- 22. (of an animal) no longer existing
- 23. waste gases that come from cars
- 24. the top layer
- 25. to use more of sth than you need
- 28. hard, thick, brown paper for making boxes