Environmental Science Review

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Across
  1. 3. A __________ environment is a healthy environment.
  2. 6. This is the name given to long periods of no rain.
  3. 8. The problem with _____ is that they do not break down very well.
  4. 9. This means using less than you need.
Down
  1. 1. Most of our water comes from lakes, streams groundwater, and ___.
  2. 2. Global ____ scientists believe that most of our air pollution comes from the burning of fossil fuels.
  3. 4. This is where most of our trash goes every week.
  4. 5. Car exhaust and emissions mostly come from the burning of _____ fuels.
  5. 7. We can only survive about ____ days without water.
  6. 9. When there is something you don't like, you should ____ in to have your voice heard.