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"And ye shall know the truth, and the truth shall make you free." - John 8:32
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Author:  Bob Webster
Bio: Bob Webster
Date:  June 23, 2006
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Beware of Global Baloney Mongers

A recent study of Earth's temperature history over the last 2000 years produced some interesting results. But it doesn't provide evidence that humans are changing the climate. In fact, it suggests humans are perhaps only bystanders to what has been going on for a lot longer than 2000 years.

"Global warming is real, scientists warn" proclaims the headline of The Star Ledger, New Jersey's largest circulation newspaper. The story by Kitta MacPherson begins, "A blue-ribbon panel of researchers assigned to provide Congress with a clear analysis of the Earth's surface temperature changes over time has concluded the planet warmed more rapidly over the past 25 years than at any other period in the past 400 years."

All those who jumped to the conclusion that this study confirmed that humans are warming the planet, raise your hand. If you have your hand up, you've been had. Nowhere in the story is there a shred of evidence as to what is causing the warming described in the study. In fact, the purpose of the study was to use proxy methods for estimating temperature history over the past 2000 years in an effort to better understand whether there is evidence for climate change. In limiting its scope to an attempt to reconstruct global temperature history, this study provides no insights into what may have caused variations in temperature history over the period of time studied. Consequently, we know no more than we did before about what has caused prior warming and cooling episodes. It is important to bear this in mind when reading about this study. It is absolutely certain that some groups will try to represent this study as "proving" that humans are changing our climate. Yet no evidence of that claim was provided by this study.

A few things to ponder when considering this as "evidence" for "human-induced" global warming:

There are many reasons to remain skeptical of the concerns about global warming. First among them is that we really do not know whether the warming we've just experienced in recent years is the beginning of another warm period, the beginning of the end of the current Ice Epoch, or the beginning of the end of the current Ice Era. Second, the concerns are usually greatly exaggerated. Suggestions of doom and gloom never quite have realistic details about what to expect. Sea level rises are usually greatly exaggerated from any realistic expectation. The reality is, humankind does much better during warmer climate periods than during cold periods.

Which would you rather contemplate? A period of warmer climate with longer summers and shorter winters? Or a return to an Ice Age with shorter summers and persistent winters?

In any event, climate change takes a long time. A spike in one decade hardly makes convincing evidence of massive change in the future. Particularly when you consider the data we're using is mostly estimated and represents only 0.0000174% of Earth's climate history!

Bob Webster
WEBCommentary (Editor, Publisher)

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Biography - Bob Webster

Bob Webster, a descendant of Daniel Webster's father and early American patriot, Ebenezer Webster, has always had a strong interest in early American history, our Constitution, U.S. politics, and law. Politically he is a constitutional republican with objectivist and libertarian roots. He has faith in the ultimate triumph of truth and reason over deception and emotion. He is a strong believer in our Constitution as written and views the abandonment of constitutional restraint by the regressive Progressive movement as a great danger to our Republic. His favorite novel is Atlas Shrugged by Ayn Rand and believes it should be required reading for every high school student so they can understand the dangers of tolerating the growth of unconstitutional crushingly powerful central government. He strongly believes, as our Constitution enshrines, that the interests of the individual should be held superior to the interests of the state.

A lifelong interest in meteorology and climatology spurred his strong interest in science. Bob earned his degree in Mathematics at Virginia Tech, graduating in 1964.


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