Environment

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Across
  1. 3. clue for ewaste
  2. 7. gas that is more harmful than CO2
  3. 9. clue for wildfire
  4. 11. clue for ecosystem
  5. 13. the major source of ocean pollution
  6. 14. clue for turtle
  7. 16. clue for pollution
  8. 17. the cleanest source of water
  9. 18. method of growing urban forest by planting trees very close to each other
  10. 20. clue for landfill
Down
  1. 1. reason for global warming
  2. 2. clue for carpool
  3. 4. 75% of the earth surface is made up this
  4. 5. converting used goods to raw materials for reuse
  5. 6. clue for climate
  6. 8. process of converting vegetable waste into manure for plants
  7. 10. clean mode of transport for short distance
  8. 12. gas responsible for greenhouse
  9. 15. clue for rhino
  10. 19. renewable energy harvested from the sun