Ego Eco

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Across
  1. 7. animals or plants which may soon not exist because there are very few now alive
  2. 9. the cutting down of trees in a large area
  3. 10. strong, unpleasant and sometimes dangerous gas; smokes
  4. 11. translation of "s'infiltrer", 'to ......'
  5. 12. to kill an animal for meat, 'to .........'
Down
  1. 1. synonym of the 'clothes, 'the ..........'
  2. 2. synonym of 'pollution'
  3. 3. garbage that requires careful disposal is called '........... waste'
  4. 4. solid excrement from animals, especially cattle and horses
  5. 5. oil in a natural state that has not yet been treated
  6. 6. the process by which land changes into desert
  7. 8. synonym of 'inhabitant'