Unit 4 The environment

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Across
  1. 1. to express disapproval or point out faults in something
  2. 4. a planned action taken to achieve a particular purpose
  3. 6. significant in size, importance or seriousness
  4. 7. the work of keeping something in proper working condition
  5. 10. extensive in size, scope or impact
  6. 12. gas atmospheric gas that contributes to global warming and climate change
  7. 14. to recognise and name something or discover what it is
  8. 15. extending over or relating to a considerable period of time
Down
  1. 2. far beyond the usual level or degree
  2. 3. absolutely necessary for success or survival
  3. 5. the release of harmful gases or substances into the atmosphere
  4. 8. a matter requiring attention, discussion or resolution
  5. 9. causing severe and overwhelming damage or destruction
  6. 11. an official course of action adopted by an organisation or government
  7. 13. a sudden event causing great damage, destruction or loss of life