The Earth Day

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Across
  1. 5. Energy from moving air
  2. 7. The layer that protects Earth from sun
  3. 9. Waste that breaks down naturally
  4. 10. Protecting nature and resources
Down
  1. 1. Harmful gases in the air
  2. 2. Dirty water is called water
  3. 3. Using things in a way that lasts long
  4. 4. Gas that causes global warming
  5. 6. Cutting down too many trees is called
  6. 8. Type of energy from water