They studied molecules from certain algae that are only produced when there is sea ice. Natural climate variation alone was all it took to reach the required temperature level. – – – The “Last Ice Area” north of Greenland and Canada is the last sanctuary of all-year sea ice in this time of rising temperatures […]
Summer sea ice disappearance from the Arctic has happened before, say researchers
Glyn Hnutu-healh: History, Alchemy, and Me 