Two-million-year-old DNA from northern Greenland has revealed that the region was once home to mastodons, lemmings and geese, offering unprecedented insights into how climate change can shape ecosystems.The breakthrough in ancient DNA analysis pushes back the DNA record by 1m years to a time when the Arctic region was 11-19C warmer than the present day.
#back #years #climate-change #temperatures #breakthrough #global-warming #biodiversity #central-america #previous-record #climate-emergency
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