climate change

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Across
  1. 2. using less energy
  2. 5. Human cutting down forests
  3. 6. energy that will eventually run out
  4. 8. Burning of fossil fuels adds this to air
  5. 12. energy from the sun
  6. 14. energy that will never run out
  7. 15. Water rising in oceans
  8. 17. gas needed to breath
  9. 18. Reflection of sunlight
  10. 20. burning gas and oil releases
Down
  1. 1. Layer of gases surrounding Earth
  2. 3. burning of coal oil and natural gases
  3. 4. Planting trees again
  4. 7. increases in weather patterns
  5. 9. layer protecting the earth
  6. 10. Gas that traps heat in the atmosphere
  7. 11. Large body of moving ice
  8. 13. Weather getting hotter or colder
  9. 16. increases in average temperature
  10. 19. process that warms Earth