Environmental problems

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Across
  1. 3. something that is good for the environment
  2. 5. to use less of something
  3. 9. When there is not enough clean water for people and nature
  4. 11. when fertile land slowly turns into desert
  5. 12. when a type of animal or plant completely dies out. to go ...
  6. 13. make dirty
  7. 14. the top layer of the ground where plants grow
  8. 16. Long periods with very little or no rain
  9. 17. long-term changes in Earth's weather
  10. 18. when too much water covers land that is usually dry
  11. 19. places or things where something comes from
  12. 20. area where a species lives
Down
  1. 1. It helps many people travel around a city in an affordable and eco-friendly
  2. 2. when a type of animal or plant is at risk of disappearing forever
  3. 4. cutting down large areas of forest
  4. 6. the variety of all living things in an area
  5. 7. to make something happen
  6. 8. waste
  7. 10. The amount of nature a person, group, or country uses to live.
  8. 15. something that can be replaced naturally