Environment: SOS

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Across
  1. 2. n. a long period of time when where is no rain
  2. 3. n. a medical condition making breathing difficult
  3. 4. n. the existence of a wide variety of plant and animal species
  4. 7. n. a situation when there is not enough of something
  5. 8. v. out or throw something somewhere
  6. 9. n. the process of creating cities or towns
Down
  1. 1. n. a very tiny living thing
  2. 5. n. cutting down or burning the trees in an area
  3. 6. n. a deep hole where the rubbish is buried