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Myths / Facts COMMON MISCONCEPTIONS ABOUT GLOBAL WARMING

Friends of Science

There is no date on this site so I can’t reference when this was written.  This is great little article in Question / Answer format (or in this case Myth / Fact).  I have heard many of these statements before but it is good to read them on one site for evaluation.  The Friends of Science site is fairly critical of the concept of global warming and in some cases I think their answers and articles could be slightly more balanced.  Definitely an article worth spending some time on.

I have included all of the Myth statements below but have intentionally edited for brevity the Fact statement.  Click through to get the whole article.

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Vice President Testifies Before Joint Subcommittee Hearing

Committee on Science and Technology, US House of Reps – March 21, 2007

These are the opening remarks of Chairman Bart Gordon (D-TN) prior to the testimony of former Vice President Al Gore.  As with my earlier post on Mr. Gore, I do not feel that it is appropriate to take any of this commentary out of context so I am reproducing the full statement below without editorial work.

It is both my pleasure and a great privilege this morning to welcome the Honorable Albert Gore, Jr., former Vice President of the United States to this hearing. Vice President Gore has devoted almost 30 years to the subject of global warming and is here today to offer his perspective on this important issue.

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Congressional Testimony on Climate Change by Al Gore

House Science and Technology Committee – March 21, 2007

I will not make comments on this testimony.  Former Vice President Al Gore deserves more respect than to have me make comments on his opinions and testimony.

Testimony of the Honorable Al Gore
before the
U. S. House of Representatives
Energy & Commerce Committee
Subcommittee on Energy & Air Quality
and the
Science & Technology Committee
Subcommittee on Energy & Environment

March 21,2007

Chairman Dingell, Chairman Gordon, Congressman Barton, Congressman Hall, and members of the Subcommittees. I want to thank you for the gracious invitation to be with you today, giving me an opportunity to return to the House to talk about the climate crisis.

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The Real ‘Inconvenient Truth’

JunkScience.com – April 21, 2006

This is a very long article that has quite a few good points in it.  The article is a series of questions and answers on the subject.  The author’s goals were to try and put some simple facts behind many of the myths and rumors regarding weather and the things that influence the weather.

This article should be standard reading for anyone that is interested in the details behind global warming.

Only the structure constraining internal-external convection will function as an effective greenhouse. Greenhouse gases categorically do not inhibit convective activity and so are not like a physical greenhouse.

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Global Warming 101 Human Fingerprints

Union of Concerned Scientists – June 28, 2006

This article describes several cases of the earth getting warmer and puts the blame on the human element. While there is little solid proof within this article, one most be curious that this is more than a coincidence.

Astonishingly, every single year since 1992 is in the current list of the 20 warmest years on record.

By matching the observed and modeled patterns, scientists can now positively identify the “human fingerprints” associated with the changes. The fingerprints that humans have left on Earth’s climate are turning up in a diverse range of records and can be seen in the ocean, in the atmosphere, and at the surface.

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Joint science academies’ statement: Global response to climate change

The Royal Society – June 2005

This is an article (or maybe should be called a statement) from several scientific bodies proclaiming that the earth is getting warmer and it is man-made pollutants that are causing the problem.

…there is now strong evidence that significant global warming is occurring1. The evidence comes from direct measurements of rising surface air temperatures and subsurface ocean temperatures and from phenomena such as increases in average global sea levels, retreating glaciers, and changes to many physical and biological systems. It is likely that most of the warming in recent decades can be attributed to human activities (IPCC 2001)2. This warming has already led to changes in the Earth’s climate.
…human activities are now causing atmospheric concentrations of greenhouse gases – including carbon dioxide, methane, tropospheric ozone, and nitrous oxide – to rise well above pre-industrial levels. Carbon dioxide levels have increased from 280 ppm in 1750 to over 375 ppm today – higher than any previous levels that can be reliably measured (i.e. in the last 420,000 years). Increasing greenhouse gases are causing temperatures to rise; the Earth’s surface warmed by approximately 0.6 centigrade degrees over the twentieth century.

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