Environmental issues

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Across
  1. 4. different weather patterns caused by pollution
  2. 6. to not understand something correctly or what is important about an idea
  3. 9. sth that breaks down or decays naturally without causing pollution
  4. 10. for example, coal or oil
  5. 11. (... an idea or feeling in someone) - to make sb think it or feel it
  6. 13. natural elements such as wind, water, and sunlight which are always available
Down
  1. 1. a measure of the amount of carbon dioxide released into the atmosphere by people's activities over a particular period
  2. 2. the activity of dealing with waste
  3. 3. places where rubbish is dumped
  4. 5. thick layers of ice and snow that cover the North and South Poles
  5. 7. the act of clearing an area of trees
  6. 8. an installation or area of land where sunlight is used to generate electricity
  7. 12. gases in the earth's atmosphere that trap heat