Environmental problems

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Across
  1. 2. A situation in which something no longer exists.
  2. 6. Contamination of water bodies.
  3. 8. A large, uncontrolled fire in a forest.
  4. 10. A type of animal or plant that might stop existing because there are only a few of that type alive.
Down
  1. 1. Harmful substances in the air.
  2. 3. A thick layer of ice that permanently covers an area of land is turning into water.
  3. 4. A place where rubbish is buried.
  4. 5. A long period when there is little or no rain.
  5. 7. The cutting down of trees in a large area.
  6. 9. An accident in which oil has come out of a ship and caused pollution