Across
- 2. Type of electromagnetic radiation
- 3. Long-term atmospheric conditions
- 9. Gases trapping heat in the atmosphere
- 10. Return to a normal state
- 13. Large Arctic island
- 14. A group of experts
- 20. Between governments
- 23. Matter that settles at the bottom of a liquid
- 24. Marine invertebrates forming reefs
- 25. Pertaining to the Sun
- 27. Precipitation in the form of flakes
- 30. A set of connected things forming a complex whole
Down
- 1. Objects in space orbiting planets
- 4. Earth's southernmost continent
- 5. Withdrawal of glaciers
- 6. Temperature scale
- 7. Height or degree
- 8. Increase in acidity
- 11. Central parts of glaciers used for climate study
- 12. Element forming dioxide in the atmosphere
- 15. Large expanses of ice covering land
- 16. Outermost layer
- 17. Related to large ice masses
- 18. Large body of saltwater smaller than an ocean
- 19. Power derived from physical or chemical resources
- 21. General direction of change
- 22. Increase in temperature
- 26. Large bodies of saltwater
- 28. Path of Earth around the Sun
- 29. Frozen water