Environmental Problems

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Across
  1. 6. sth. that is not legal
  2. 8. sth. that pollutes the environment
  3. 9. an energy source that is inexhaustible or can be replaced by growth
  4. 11. substance that is used to kill insects
  5. 15. destruction of forests
  6. 16. environment in which an animal lives
  7. 18. place sth. comes from; the cause of sth.
  8. 19. an important problem
Down
  1. 1. rubbish that is left in the production of sth.
  2. 2. animals and other living things living in the wild
  3. 3. pieces of rubbish lying on the ground
  4. 4. material used to wrap items before they are sold
  5. 5. substance to provide power or heat (by being burned)
  6. 7. substance that is used to get rid of pests
  7. 8. damage caused to the environment by waste
  8. 10. sth. that decays naturally without causing harm
  9. 12. death of all members of a species
  10. 13. refusing to listen; also: hearing loss
  11. 14. substance that is very harmful and may even cause death
  12. 17. =poisonous