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Climategate - A 'Hockey-Stick of Errors'

By Climatologist Cliff Harris

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14 Jun 11 - On November 20, 2009, an unnamed climate scientist released more than four thousand private e-mails and climate-related files on the Internet.

Most of these highly embarrassing internal documents came from the Climate Research Unit (CRU) at the University of East Anglia in the United Kingdom, headed by Professor Phil Jones.

Those of us who long suspected that the CRU and other anthropogenic global warming (AGW) alarmists had ‘cooked up’ falsified historical climate data to support a predetermined conclusion, were finally able to look at the scientists ‘hidden agenda.’

For many years, AGW scientists had refused to share much of their research data relating to global warming. The CRU and the United Nation’s Intergovernmental Panel on Climate Change (IPCC) each did everything possible to deny past periods of global warming and cooling that took place on this planet between 600 B.C. and 1850 A.D.

By extreme contrast, Randy Mann, Bob Felix and I have shared our detailed long-term charts and graphs frequently with our subscribers over the past couple of decades.

These charts of ours (and other scientists) detail several periods of warming and cooling during the past 2,600 years.

The Roman Warm Period between 250 B.C. and 450 A.D. and the Medieval Warm Period of 900 A.D. and 1300 A.D. each produced widespread prosperity in the world. Remember, WARM TIMES ARE ‘GOOD TIMES,’ CO2 or not.

By extreme contrast, however, the harsh Dark Ages Cold Period, that extended from 535 A.D. to approximately 900 A.D., saw a dramatic decline in living conditions through Europe and Asia. Crops failed, which led to disease and famine, and the average European lifespan decreased by nearly 20 years!

The so-called ‘Little Ice Age,’ which occurred from 1350 to 1850 A.D. wiped out the mighty Vikings, who were previously farming Greenland during the Medieval Warm Period as well as the advanced Incan civilization in the mountains of Peru that likewise flourished during warmer times.

Asia, Europe and North America saw massive economic, social and health-related hardships, especially during the ‘heart’ of the Little Ice Age around the ‘Maunder Minimum’ (extremely low sunspot activity) between 1645 and 1715, when the Thames River in London froze on an annual basis.

My own exhaustive climate research shows that the earth does not maintain a ‘static’ climate. It’s always changing. Our sun is the major influence on our planet’s climate at any given time, as I pointed out last week. It’s getting active again, hence a new trend towards a bit warmer temperatures in the near-term, a naturally occurring cycle, especially in the eastern U.S. and southwestern Europe.

My biggest complaint with the AGW scientists is that their climate models tend to ignore the past significant changes on the planet.

For example, University of Virginia Professor Michael Mann’s ‘hockey-stick graph’ is a climatological ‘joke,’ in my not so humble opinion. It shows a very stable climate on a global scale between 1000 A.D. and 1980 A.D. followed by a huge warmup in the past 30 years since 1981.

Many of these ‘Climategate’ e-mails exposed Mann’s statistical errors in his hockey-stick graph. He completely ignored the 11-year cooling period between 1998 and 2009 that almost wiped-out the warming cycle of 1981 to 1998 in the mid-latitudes.

Mann was told by Professor Phil Jones in a November 2009 e-mail, "not to leave stuff lying around that would point out his many climate errors."

Canadian climate scientists, Ross McKitrick and Steve McIntyre, have completely discredited Mann’s ‘hockey-stick’ graph. To me, it’s just a "cracked puck in the weeds."

Only a few dozen climate scientists still support the AGW cause. At least 32,000 climate scientists worldwide, approximately 9,000 holding PhD’s, now believe that the ‘theory of catastrophic global warming’ is not supported by scientific evidence over the ages. Carbon dioxide does not heat the planet.

Like me, they also believe that carbon dioxide (CO2) is a beneficial substance for both plants and animals, not a pollutant like carbon monoxide or sulfur dioxide.

Next week, what about Al Gore’s claims of "rising sea levels" that may eventually swamp New York City, New Orleans and San Francisco? Stay tuned.


Several years ago, climatologist Cliff Harris teamed up with meteorologist Randy Mann to form Harris-Mann Climatology. They provide a daily commodity and weather service for traders, farmers, and anyone who has an interest in the markets. According to their website, Harris has been rated as one of the top commodity traders in the country.

You can access their website here:






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