Across
- 2. where most of earth's land mass is located
- 4. coastal cities are at risk of this if ocean levels rise
- 6. location of observatory chosen to avoid influences of large forests and or cities
- 7. period of time where earth's surface temperature is lowered so much that glaciers form in cold areas
- 10. adjusting our lives to the expected future climate
- 11. thin layer of gas around the earth
- 13. an increase in atmospheric moisture can fuel this
- 14. sea level is increasing due to one of two factors
- 16. land and ocean surface temperatures have increased since this period of time
- 17. permanent layers of ice that cover land
- 19. life form evolved to perform photosynthesis
- 20. forms as more ice lays down each year
Down
- 1. the study of intentionally changing natural processes of the Earth
- 3. frozen seawater that floats on the surface of the ocean
- 5. glaciers are growing and expanding
- 8. darker areas on the surface of the sun created from intense magnetic fields
- 9. period of cooling during the 16th-19th centuries
- 12. the area of greatest warming
- 15. indirect measurements
- 18. when coral polyps eject symbiotic algae that live under stressful environmental conditions