Environmental issues

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Across
  1. 5. Animals living in nature.
  2. 6. Big changes in the world's weather.
  3. 9. A large area with many trees.
  4. 11. Dirty or harmful things in air, water, or land.
  5. 12. Things we throw away or don't use.
  6. 15. To use materials again to make new things.
  7. 16. Oil that leaks into the ocean or land.
Down
  1. 1. Dirty air from fire or factories.
  2. 2. A place where garbage is put into the ground.
  3. 3. Everything around us - air, water, animals, and plants.
  4. 4. The invisible gas we breathe.
  5. 7. Animals or plants that may disappear soon.
  6. 8. Cutting down many trees.
  7. 10. A long line of water that moves through the land.
  8. 11. A material used for bags, bottles, and more.
  9. 13. A building where things are made.
  10. 14. Substances that can be natural or made by people.