Environmental problems

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