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February 3, 2015

Global Warming Hysteria Doesn’t Fit the Facts, Thomas Sowell PhD [c]

Global Warming Hysteria Has Problem: It Doesn’t Fit With Facts
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BY THOMAS SOWELL
02/02/2015 06:46 PM ET

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Thomas Sowell

Thomas Sowell

It was refreshing to see meteorologists apologize for their dire — and wrong — predictions of an unprecedented snowstorm that they had said would devastate the northeast.

It was a big storm, but the Northeast has seen lots of big snowstorms before and will probably see lots of big snowstorms again. That’s called winter.

Unfortunately, we’re not likely to hear similar apologies from those who’ve promoted “global warming” hysteria for years, in defiance of data that fail to fit their climate models.

What is at issue is not whether there is “climate change” — which nobody has ever denied — but whether the specific predictions of the “global warming” crowd as to the direction and magnitude of worldwide temperature changes are holding up over the years.

The ultimate test of any theoretical model is not how loudly it is proclaimed but how well it fits the facts. Climate models that have an unimpressive record of fitting the facts of the past or the present are hardly a reason for us to rely on them for the future.

Putting together a successful model — of anything — is a lot more complicated than identifying which factors affect which outcomes. When many factors are involved, which is common, the challenge is to determine precisely how those factors interact with each other. That is a lot easier said than done when it comes to climate.

Everyone can agree, for example, that the heat of the sunlight is greater in the tropics than in the temperate zones or near the poles. But, the highest temperatures ever recorded in Asia, Africa, North America or South America were all recorded outside — repeat, OUTSIDE — the tropics.

No part of Europe is in the tropics, but record temperatures in European cities like Athens and Seville have been higher than the highest temperatures ever recorded in cities virtually right on the equator, such as Singapore in Asia or Nairobi in Africa.

None of this disproves the scientific fact that sunlight is hotter in the tropics. But it does indicate that there are other factors which go into temperatures on Earth.

It is not only the heat of the sunlight but its duration that determines how much heat builds up. The sun shines on the equator about 12 hours a day all year long. But in the temperate zones, the sun shines more hours during the summer — almost 15 hours a day at the latitude of Seville or Athens.

Read More At Investor’s Business Daily: http://news.investors.com/ibd-editorials-on-the-right/020215-737517-climate-change-models-dont-fit-reality.htm#ixzz3Qh5ZOfRN
Follow us: @IBDinvestors on Twitter | InvestorsBusinessDaily on Facebook

[For a set of the scientific fact, go to the first post on this blog “The Polar Ice Cap is Shrinking”, which, btw, NASA satellite photos show that the Polar Ice Cap is in fact getting LARGER at an alarming degree, when one considers the fishing grounds that it is endangering. Reference works are in the 2008 post, the first on this blog.]

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