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The Guardian: Arctic Was 11-19C Warmer 2 Million Years Ago
New DNA study reveals astonishing climate change before Homo sapiens existed.
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. The analysis reveals that the northern peninsula of Greenland, now a polar desert, once featured boreal forests of poplar and birch trees teeming with wildlife. The work offers clues to how species might adapt, or be genetically engineered, to survive the threat of rapid global heating.
Prof Eske Willerslev of the University of Cambridge and the University of Copenhagen, said: “A new chapter spanning 1m extra years of history has finally been opened and for the first time we can look directly at the DNA of a past ecosystem that far back in time.”
Translation for American readers: Two million years ago, northern Greenland was (at the top of the range) 34 degrees Fahrenheit warmer than it is today. What caused this stupendous change in Arctic temperatures during a period when Homo sapiens either didn’t exist or numbered only a few hundred thousand?
What caused the four massive fluctuations of the earth’s temperature since then, as displayed in this chart.
The last ice age featured the mile-thick Laurentide ice sheet that covered most of Canada and the northern contiguous United States. This ice sheet melted and formed the Great Lakes 20,000 years ago—thousands of years before the earth’s human population numbered more than a few million.
If the earth’s climate enters a prolonged warming trend that returns the average temperature of northern Greenland to what it was 2 million years ago, should we be alarmed that human activity is the cause?
Watch for our awful governments and their friends in the “climate countermeasure” business to perpetrate stupendous acts of fraud, purportedly to protect us from climate change.