Earf

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Across
  1. 2. OCEAN
  2. 5. CLEAN
  3. 6. GREEN
  4. 10. PHOTOSYNTHISIZE
  5. 12. LAND
  6. 13. HUMAN
  7. 15. LANDFILL
  8. 17. SEA
  9. 18. UNITE
Down
  1. 1. RECYCLE
  2. 3. POLLUTION
  3. 4. LAKE
  4. 7. EARTH
  5. 8. TOGETHERNESS
  6. 9. MOUNTAIN
  7. 10. POPULATION
  8. 11. TREES
  9. 14. PLANTS
  10. 16. BUG