Sorry Global Warming Alarmists, The Earth Is Cooling

Peter Ferrara, Writing in the Forbes Magazine last May, following the Heartland Climate Conference in Chicago.

Don Easterbrook, Professor Emeritus of Geology at Western Washington University,  publicly predicted in 2000 that global temperatures would decline by 2010,  something the political scientists at the UN’s IPCC did not know or did not think significant.

 Well, the results are in, and the winner is….Don Easterbrook.  Easterbrook also spoke at the Heartland conference, with a presentation entitled “Are Forecasts of a 20-Year Cooling Trend Credible?”  Watch that online and you will see how scientists are supposed to talk: cool, rational, logical analysis of the data, and full explanation of it.  All I ever see from the global warming alarmists, by contrast, is political public relations, personal attacks, ad hominem arguments, and name calling, combined with admissions that they can’t defend their views in public debate.

Easterbrook shows that by 2010 the 2000 prediction of the IPCC was wrong by well over a degree, and the gap was widening.  That’s a big miss for a forecast just 10 years away, when the same folks expect us to take seriously their predictions for 100 years in the future.  Howard Hayden, Professor of Physics Emeritus at the University of Connecticut showed in his presentation at the conference that based on the historical record a doubling of CO2 could be expected to produce a 2 degree C temperature increase.  Such a doubling would take most of this century, and the temperature impact of increased concentrations of CO2 declines logarithmically.  You can see Hayden’s presentation online as well.

Because PDO cycles last 25 to 30 years, Easterbrook expects the cooling trend to continue for another 2 decades or so.  Easterbrook, in fact, documents 40 such alternating periods of warming and cooling over the past 500 years, with similar data going back 15,000 years.  He further expects the flipping of the ADO to add to the current downward trend.

But that is not all.  We are also currently experiencing a surprisingly long period with very low sunspot activity.  That is associated in the earth’s history with even lower, colder temperatures.  The pattern was seen during a period known as the Dalton Minimum from 1790 to 1830, which saw temperature readings decline by 2 degrees in a 20 year period, and the noted Year Without A Summer in 1816 (which may have had other contributing short term causes).

Even worse was the period known as the Maunder Minimum from 1645 to 1715, which saw only about 50 sunspots during one 30 year period within the cycle, compared to a typical 40,000 to 50,000 sunspots during such periods in modern times.  The Maunder Minimum coincided with the coldest part of the Little Ice Age, which the earth suffered from about 1350 to 1850.  The Maunder Minimum saw sharply reduced agricultural output, and widespread human suffering, disease and premature death.

Such impacts of the sun on the earth’s climate were discussed at the conference by astrophysicist and geoscientist Willie Soon, Nir J. Shaviv, of the Racah Institute of Physics in the Hebrew University of Jerusalem, and Sebastian Luning, co-author with leading German environmentalist Fritz Vahrenholt of The Cold Sun.

Easterbrook suggests that the outstanding question is only how cold this present cold cycle will get.  Will it be modest like the cooling from the late 1940s to late 1970s?  Or will the paucity of sunspots drive us all the way down to the Dalton Minimum, or even the Maunder Minimum?  He says it is impossible to know now.  But based on experience, he will probably know before the UN and its politicized IPCC.

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