Environment

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Across
  1. 2. I'm feeling on cloud ...
  2. 3. thick layer of ice at the poles
  3. 4. grotte
  4. 6. maussade
  5. 8. a place where people dump trash
  6. 9. a very small lake
  7. 11. single-use
  8. 12. grèle
Down
  1. 1. imprévisible
  2. 5. good for the environment
  3. 7. augmenter
  4. 10. barbecue fuel