Unit 1: Global Climate Change

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Across
  1. 1. this protocol aimed to reduce greenhouse gas emissions
  2. 5. this radiation is emitted by the sun
  3. 7. hottest layer of the atmosphere
  4. 8. this chemical blocks UV radiation in the stratosphere
  5. 9. parts per billion
  6. 10. the edge of our atmosphere next to outer space
  7. 12. radiation that is emitted from the earth as heat
  8. 13. this protocol phased out CFCs
  9. 14. layer of the atmosphere where meteors burn up
Down
  1. 2. layer of the atmosphere with the most molecules
  2. 3. CO2, methane, and water vapor are examples
  3. 4. layer of the atmosphere with the Ozone Layer
  4. 6. parts per million
  5. 11. human-caused