Environmental problems

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Across
  1. 4. To make something less
  2. 6. A bad illness from too much sun
  3. 7. People who live together
  4. 8. A hot, dry place with sand
  5. 9. A goal or something you want
  6. 10. The top of something
  7. 12. Something that can hurt you
  8. 14. Something people talk about
Down
  1. 1. Moving people or things
  2. 2. Not being able to hear
  3. 3. About money and jobs
  4. 5. A person who studies things
  5. 8. A very bad event like a fire or flood
  6. 11. Things we throw away
  7. 13. Tiny bits of dry dirt