environment

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Across
  1. 1. >> to release
  2. 5. >> to make sure
  3. 6. trash is stored
  4. 7. >> make sth. dirty
  5. 13. >> poisonous
  6. 14. >global problem
  7. 16. special trash
  8. 18. >> needed for cars
Down
  1. 2. to burn sth.
  2. 3. trash at home
  3. 4. >> to set free
  4. 8. > loose of species
  5. 9. >> rubbish
  6. 10. >> the ground
  7. 11. sth you can use again
  8. 12. trash has to be...
  9. 15. >steep snowy mountains
  10. 17. >> bitter