The modern warm period is at the right in red.
Our entire history as a species as preserved in the usual objects of historical inquiry occurred in a period much warmer than now, and it could all be coming to an end because of cooling, not warming.
Our entire history as a species as preserved in the usual objects of historical inquiry occurred in a period much warmer than now, and it could all be coming to an end because of cooling, not warming.
Discussed here, but from an inferior chart.
