Earth Day!

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Across
  1. 2. These bulbs are highly energy-efficient and last much longer than traditional incandescent bulbs.
  2. 4. Each year it is estimated that about a _________ people participate in Earth Day activities.
  3. 5. These organisms use chlorophyll to absorb sunlight and convert carbon dioxide and water into oxygen and glucose. They produce roughly 25% of the world's oxygen.
  4. 6. According to the Arbor Day Foundation, a single tree can supply a day's worth of oxygen for up to _____ people.
  5. 7. These cover about 70% of the Earth's surface and hold nearly all of the planet's water. They play a crucial role in regulating the climate and providing oxygen.
  6. 11. The theme for Earth Day 2025 is Our ______, Our Planet.
  7. 12. The largest accumulation of plastic debris in the ocean is known as the "Great Pacific Garbage Patch" it is _______ the size of Texas.
  8. 13. The world's largest land animal.
  9. 14. This is the most abundant energy source on Earth and is the fastest-growing renewable energy source.
  10. 15. This Wisconsin senator established the concept of Earth Day.
Down
  1. 1. There are over 200,000 different species of ________, including insects, birds, bats, and other animals. They transfer pollen between flowers enabling plants to produce fruit and seeds.
  2. 3. The most littered item globally, contributing to land and water pollution.
  3. 8. Spanning more than 1200 miles and encompassing thousands of individual reefs, the _____________________ (three words) in Australia is one of the Earth's greatest wonders.
  4. 9. Reduce, _________, Recycle!
  5. 10. This book was written in 1962 by a marine scientist named Rachel Carson. Her book spoke of the dangers of pesticides and other environmental hazards.