Earth Day 2021

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Across
  1. 2. 50-80% from the Earth's oxygen comes from this place
  2. 4. Reuse waste after processing
  3. 6. Large tropical rainforest in South America
  4. 7. We can't live without this liquid
  5. 9. Taekwondo uniform
  6. 10. Re-growing of forests
Down
  1. 1. Training hall
  2. 3. The natural world
  3. 5. We live in this planet
  4. 8. What you can do with organic waste