Across
- 3. The point when climate change is irreversible
- 5. During the middle ages people were able to live here
- 7. These are dark spots that appear on the sun's surface
- 9. This type of feedback diminishes climate change
- 10. This type of solar radiation warms the earth
- 11. Material is ejected from these into the stratosphere
Down
- 1. These types of cores are well preserved by the sea
- 2. This type of radiation is often trapped by greenhouse gases
- 4. This ocean current warms Western Europe
- 6. This type of feedback amplifies climate change
- 8. This type of proxy records allows gases to be preserved
- 12. This material reflects solar energy back into space