Earth Day/Arbor Day Crossword

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Across
  1. 2. One of the biggest environmental issues today
  2. 6. National Arbor Day always falls on this day
  3. 7. Month shared by Earth Day and Arbor Day
  4. 8. Famous conservationist whose birthday is April 22
  5. 10. First state to observe Arbor Day
  6. 11. 100 endangered species of this flower were planted in Panama for Earth Day
  7. 13. Primary component of natural gas
  8. 14. First Earth Day led to creation of this government agency (acronym)
  9. 17. Most common tree in the US
  10. 19. The US National tree
  11. 23. Most abundant greenhouse gas (2 words)
  12. 24. Direction in which Earth's magnetic pole is slowly creeping
  13. 25. Earth personified (2 words)
  14. 26. Last name of US journalist/politician who initiated Arbor Day
  15. 27. ____, reuse, recycle
  16. 28. Last name of young activist who took a zero-carbon voyage to raise climate change awareness
  17. 29. Tallest tree in the US
Down
  1. 1. 2024's Earth Day theme is "Planet vs. ______"
  2. 3. Region on earth producing 20% of the planet's oxygen
  3. 4. Organization that largely funded the first earth day (acronym)
  4. 5. The triple planetary crises: biodiversity loss, pollution, and ______ (two words)
  5. 9. Last name of US President who championed and globalized Arbor Day
  6. 12. Congressmen in 1970 with poor environmental records (2 words)
  7. 15. Book written by Rachel Carson in 1962 foretelling dangers of pesticides and other hazards
  8. 16. Significant climate agreement signed on Earth Day 2016
  9. 18. A common Arbor Day and Earth Day activity
  10. 20. Earth's largest living structure (2 words)
  11. 21. Synonym for Earth
  12. 22. Last name of senator who created Earth Day
  13. 30. Source of most of Earth's breathable air