Saving the Environment

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Across
  1. 3. such energy is from natural sources like sun or wind
  2. 4. the amount of CO2 produced by a person's activities
  3. 5. oil, coal, and natural gas
  4. 7. the natural environment in which an animal or plant usually lives
  5. 9. such gases trap heat in the atmosphere
Down
  1. 1. a long period without rain
  2. 2. the cutting down of trees in a large area
  3. 5. a situation in which there is not enough food for a great number of people, causing illness and death, or a particular period when this happens
  4. 6. these animals no longer exist
  5. 8. illness of people, animals, plants, etc., caused by infection or a failure of health rather than by an accident