Environmental Protection

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Across
  1. 4. warming A gradual increase in average global temperature
  2. 5. very harmful or dangerous
  3. 6. dirty
  4. 9. doing right things and taking care of something
  5. 12. an effect or result
  6. 13. something that comes from nature, not made by humans
  7. 16. an important part or characteristic of something
  8. 17. to make dirty
  9. 20. have an effect on; make a difference to.
  10. 21. to use old things again to make new things
  11. 23. to be real; to have life
  12. 25. A biological community of interacting organisms and their physical environment.
  13. 26. awareness to make people consciuous about a problem
  14. 27. action to do something
Down
  1. 1. in danger of becoming extinct
  2. 2. to build
  3. 3. waste material thrown away (as bits of paper scattered untidily); V: cover untidily with scattered litter
  4. 4. effect heat is trapped in the Earth's air, making the planet warmer
  5. 6. Release of harmful materials into the environment
  6. 7. something that is a source of danger
  7. 8. able to be used again
  8. 10. animals, birds, and plants living in their natural environment
  9. 11. a man-made material used to make bottles, bags, etc
  10. 14. to use again
  11. 15. the world around us: plants, animals, air, water
  12. 17. up litter collect rubbish in a certain area
  13. 18. things we throw away because we don't need them
  14. 19. containing poison that is dangerous
  15. 22. to make something smaller or less
  16. 24. substances used in science or industry, sometimes harmful