Across
- 1. Stratagies are designed to reduce emissions and stabilize levels of greenhouse gases already in the atmosphere
- 5. Very dry and dense air, right above the troposhpere
- 10. Period of cooling that lasted from 16th-19th centuries
- 11. How much nitrogen is in the air?
- 12. Frozen sea water that floats on the ocean's surface
- 16. Contains the air we breath
- 18. Belt Underwater current fueled by the mixing of warm and cold salt water
- 19. The study of intentionally and artificially changing natural process of the Earth
- 20. Thin layer of gases that surrounds the Earth
Down
- 2. Ones that were released by human activity
- 3. Involves adjusting our lives to combat climate change
- 4. How much argon is in the air?
- 6. How much oxygen is in the air?
- 7. Any permanent layers of ice covering a tract of land
- 8. Period of time where Earth's overall surface temp is lowered
- 9. The only carbon that plants use
- 13. Formed as more ice is laid down each year
- 14. The level of the ocean
- 15. Change long-term shifts in temperature
- 17. Bake