Environmental Problems & Solutions

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Across
  1. 1. strong, unpleasant and sometimes dangerous smoke that leaves vehicles and factories
  2. 3. (two words) (to ____) to increase knowledge about a topic
  3. 4. (to _____) throwing rubbish in places you shouldn't
  4. 6. (two words) something natural that can be replaced as fast as it is consumed
  5. 8. (two words) the system of animals eating other animals and plants
  6. 10. all the animals and plants that live in an area
  7. 11. (noun) when there is very little of something
  8. 12. something that can be maintained into the future
Down
  1. 2. a product or process that doesn't harm nature
  2. 5. (adjective) when something is rare or hard to find
  3. 7. another word for dangerous
  4. 9. (to ____) to do well and grow in an environment
  5. 13. air pollution caused by smoke and fumes