Environment

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Across
  1. 3. something making land,water,or sky dirty.
  2. 5. the act of cutting down or burning trees in area.
  3. 7. to treat things that have already been used so they can be used again.
  4. 8. an area of land where large amounts of waste material are buried under the earth.
Down
  1. 1. a large number of water covering an area that is usually dry.
  2. 2. to watch and help an animal or the environment.
  3. 3. to keep safe from injury,harm,or destruction.
  4. 4. to use something again.
  5. 6. to make less rubbish.