Environment quiz

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Across
  1. 1. this is when you make a place tidy by removing things from it.
  2. 5. this is the increase in world temperatures caused by polluting gas.
  3. 8. to be likely to cause harm or damage to someone or something.
Down
  1. 2. this means not harmful to the environment.
  2. 3. this is the amount of energy that a person/organization uses.
  3. 4. this is the mixture of gases that protect the Earth.
  4. 6. this is a substance produced by chemistry
  5. 7. this means not using chemical products when growing plants for food.