Scientific American Explains That The MWP Must Have Been Due To SUVs

May 30 – Greenland still locked in ice. Not a “long and balmy summer”

I rearranged the order of the paragraphs to show how spectacularly daft that magazine has become. In the past, climatic shifts were due to unknown “natural variations” but now they are unequivocally due to burning oil.

If they don’t know what caused the earlier warming, how could they possibly know the same thing isn’t causing the present warming?

Of course, it is the burning of such oil that has led to this warming in the first place, thanks to increasing concentrations of atmospheric greenhouse gases. Already, those increasing concentrations of greenhouse gases are warming the planet’s overall climate to the point that the meltdown of Greenland’s ice sheet is speeding up, which could raise global sea levels a meter by 2100 at present rates, among other impacts.

The Norse came to a new land around the end of the first millennium, borne on the backs of their Viking long ships and lured away from Iceland by the promise of Erik the Red’s Greenland. The land was indeed green when they landed—and stayed that way for several centuries until natural variations in the planet’s climate cooled the world’s largest island by 4 degrees Celsius. Years of such cool summers doomed the Greenland Norse, and their outpost froze to death by 1500.

You have an interval when the summers are long and balmy and you build up the size of your farm,” says D’Andrea of the Norse interlude. “Then suddenly, year after year, you go into this cooling trend and the summers are getting shorter and colder and you can’t make as much hay. You can imagine how that particular lifestyle may not be able to make it.”

That warming indeed looks set to continue and will ultimately doom, at the very least, Greenlanders’ traditional way of life. But the changes in Greenland this time may prove to be global. “If we don’t keep the Greenland Ice Sheet intact, we will lose a lot of coastline,”

http://www.scientificamerican.com/

About stevengoddard

Just having fun
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4 Responses to Scientific American Explains That The MWP Must Have Been Due To SUVs

  1. omnologos says:

    When did Nature buy SA? That must have been the tipping point.

  2. P.J. says:

    The Little Ice Age doomed the Vikings’ traditional way of life in Greenland. Many civilizations have been doomed due to changes in climate long before we ever started driving cars.

    • Mike Davis says:

      It was the cooling that doomed the civilizations in the past and the cooling will cause the problems in the future. Warming supports life, Cooling restricts it.

  3. Andy Weiss says:

    Every previous climate change has been natural, but this climate change is decidedly evil and unnatural. The only problem is that unnatural climate change has been negligible compared to previous natural changes.

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