Ecological Disasters

123456789101112
Across
  1. 3. organisms in the wrong environment
  2. 8. poisonous precipitation
  3. 9. dirty clouds
  4. 10. out of control algae
  5. 11. huge collection of trash in the ocean
  6. 12. a hole in the atmosphere
Down
  1. 1. the Earth's temperature is changing
  2. 2. accidentally making a desert
  3. 4. a ship with oil has an accident
  4. 5. chemicals and waste going into rivers
  5. 6. cutting down large areas of trees
  6. 7. catching too many fish