Across
- 2. Contamination.
- 5. Gases created from burning fossil fuels.
- 6. The fire brigade, the police and the ambulance services.
- 10. To make sb pay an amount of money as punishment.
- 13. Being at risk of extinction.
- 14. Being extremely poor.
- 15. An issue that affects nature.
- 16. A mixture of fog and smoke.
- 18. Without a home(of an animal.
- 19. The animals and plants in nature.
Down
- 1. A substance, such as coal or oil, made from the remains of dead animals and plants.
- 3. To reuse.
- 4. Used things/products.
- 7. To find amounts of money needed.
- 8. Rubbish pile.
- 9. Not having a job.
- 11. The upper part of the Earth's atmosphere.
- 12. A person who gives sth.
- 17. Hunting animals illegally.
- 20. Dying out.