The world around us - weather, natural disasters, etc.

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Across
  1. 2. A long time without any rain.
  2. 5. Nature, air, water and the world around us.
  3. 8. Carbon... - how much CO2 you produce.
  4. 9. A long period of very hot weather.
  5. 11. Snow falling down a mountain.
  6. 14. A giant wave caused by an earthquake.
  7. 15. To use plastic or paper again.
  8. 16. When the air or water is dirty.
  9. 17. Very, very cold.
  10. 18. It is hard to see when it is very...
  11. 19. Too much water in the streets.
Down
  1. 1. To make something smaller (use less plastic).
  2. 3. Energy from the sun or wind.
  3. 4. To keep something safe from harm.
  4. 6. A mountain that can erupt with lava.
  5. 7. A flash of light in the sky during a storm.
  6. 10. When the earth moves and buildings fall.
  7. 12. Animals that might disappear soon.
  8. 13. A very strong wind that moves in a circle.
  9. 18. Coal, gas and oil are... fuels.