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