Across 1. a fall of large masses of snow and ice down a mountain b) a fall of rocks, sand, etc 5. Removing more fish from the oceans than can be naturally produced 8. long-term significant change in the climate of an area (2 Words) 9. to use again instead of throwing away 12. the process by which land changes into desert. 15. species in danger of becoming extinct in the near future (2 Words) 19. violent hunger 20. destroying forests by cutting down trees 21. when a species no longer exists 22. reusing materials to make new products, for example newspaper 23. illegal hunting 24. Release of harmful materials into the environment's land, water, or air

Down 2. The destruction of habitats that results from human activities (2 Words) 3. Species that is likely to become endangered. (2 Words) 4. to use again instead of throwing away 6. too many people 7. to use less of something or conserve 10. The use or consumption of a resource, especially a natural resource, faster than it is replenished. 11. capable of being decomposed by bacteria or other biological means 13. The number of different species in an area 14. the air, water and land in or on which people, animals and plants live. 16. destroying forests by cutting down trees 17. strong, unpleasant and sometimes dangerous gas or smoke. 18. Forests in which large amounts of rain fall yearround.