Environmental Sustainability

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Across
  1. 3. A way to travel which has two wheels and uses no energy at all. Also known as a bike
  2. 5. You put it on your roof to make eletricity out of the suns heat
  3. 9. Water falls from the sky
  4. 11. Another word for Oxygen
  5. 13. Kills marine life and takes many years to decompose
  6. 15. Invisible rays emitted by the sun, which can be harmfull
  7. 17. The more energy you use, the more greenhouse gases are released, which contributes to something called: _______ ______
  8. 18. When people travel in one car to the same destination
  9. 20. Another word for World
Down
  1. 1. The hole in a layer of Earth's atmosphere
  2. 2. The removal of salt (mostly from water)
  3. 4. What is our main source of energy?
  4. 6. The trees convert carbon dioxide into this
  5. 7. Another word for Fauna
  6. 8. The thing you put in car to make it run
  7. 10. Complete the phrase: Reduce, Reuse, ______
  8. 12. Car powered by a power-eletric engine
  9. 14. What alternative energy source is powered by the sun?
  10. 16. It goes in your bin
  11. 19. Another word for Flora