Greenland caves: Time travel to a warm Arctic

An international team of scientists presents an analysis of sediments from a cave in northeast Greenland, that cover a time period between about 588,000 to 549,000 years ago. This interval was warmer and wetter than today, the cave deposits provide an outlook in a possible future warmer world due to climate change.

source https://www.sciencedaily.com/releases/2021/03/210324142842.htm