[Mr.Vicchio]

[edit] Believe global warming is primarily caused by natural processes Scientists in this section conclude that the observed warming is more likely attributable to natural causes than to human activities. * Khabibullo Ismailovich Abdusamatov, mathematician and astronomer at Pulkovskaya Observatory of the Russian Academy of Sciences and the supervisor of the Astrometria project of the Russian section of the International Space Station: "Global warming results not from the emission of greenhouse gases into the atmosphere, but from an unusually high level of solar radiation and a lengthy - almost throughout the last century - growth in its intensity...Ascribing 'greenhouse' effect properties to the Earth's atmosphere is not scientifically substantiated...Heated greenhouse gases, which become lighter as a result of expansion, ascend to the atmosphere only to give the absorbed heat away." (Russian News & Information Agency, Jan. 15, 2007 [10]) (See also [11], [12], [13]) * Sallie Baliunas, astronomer, Harvard-Smithsonian Center for Astrophysics: "[T]he recent warming trend in the surface temperature record cannot be caused by the increase of human-made greenhouse gases in the air." (Capitalism Magazine, August 22, 2002)[14] Baliunas and Soon wrote that "there is no reliable evidence for increased severity or frequency of storms, droughts, or floods that can be related to the air’s increased greenhouse gas content." (Marshall Institute, March 25, 2003) [15] * David Bellamy, environmental campaigner, broadcaster and botanist: "Global warming is a largely natural phenomenon. The world is wasting stupendous amounts of money on trying to fix something that can’t be fixed."[16] * Reid Bryson, emeritus professor of Meterorology: "It’s absurd. Of course it’s going up. It has gone up since the early 1800s, before the Industrial Revolution, because we’re coming out of the Little Ice Age, not because we’re putting more carbon dioxide into the air." [17]. * Robert M. Carter, geologist, researcher at the Marine Geophysical Laboratory at James Cook University in Australia: "The essence of the issue is this. Climate changes naturally all the time, partly in predictable cycles, and partly in unpredictable shorter rhythms and rapid episodic shifts, some of the causes of which remain unknown." (Telegraph, April 9, 2006 [18]) * George V. Chilingar, Professor of Civil and Petroleum Engineering at the University of Southern California: "The authors identify and describe the following global forces of nature driving the Earth’s climate: (1) solar radiation ..., (2) outgassing as a major supplier of gases to the World Ocean and the atmosphere, and, possibly, (3) microbial activities ... . The writers provide quantitative estimates of the scope and extent of their corresponding effects on the Earth’s climate [and] show that the human-induced climatic changes are negligible." (Environmental Geology, vol. 50 no. 6, August 2006 [19]) * Ian Clark, hydrogeologist, professor, Department of Earth Sciences, University of Ottawa: "That portion of the scientific community that attributes climate warming to CO2 relies on the hypothesis that increasing CO2, which is in fact a minor greenhouse gas, triggers a much larger water vapour response to warm the atmosphere. This mechanism has never been tested scientifically beyond the mathematical models that predict extensive warming, and are confounded by the complexity of cloud formation - which has a cooling effect. ... We know that [the sun] was responsible for climate change in the past, and so is clearly going to play the lead role in present and future climate change. And interestingly... solar activity has recently begun a downward cycle." (The Hill Times, March 22, 2004 [20]) * William M. Gray, Professor of Atmospheric Science, Colorado State University: "This small warming is likely a result of the natural alterations in global ocean currents which are driven by ocean salinity variations. Ocean circulation variations are as yet little understood. Human kind has little or nothing to do with the recent temperature changes. We are not that influential."[21]) "I am of the opinion that [global warming] is one of the greatest hoaxes ever perpetrated on the American people." [22]) "So many people have a vested interest in this global-warming thing—all these big labs and research and stuff. The idea is to frighten the public, to get money to study it more."[23]) * Yuri Izrael, vice-chairman of the Intergovernmental Panel on Climate Change, "There is no proven link between human activity and global warming."[24] * George Kukla, retired Professor of Climatology at Columbia University and Lamont-Doherty Earth Observatory, said in an interview: "What I think is this: Man is responsible for a PART of global warming. MOST of it is still natural." (Gelf Magazine, April 24, 2007) [25] * David Legates, associate professor of geography and director of the Center for Climatic Research, University of Delaware: "About half of the warming during the 20th century occurred prior to the 1940s, and natural variability accounts for all or nearly all of the warming." (May 15, 2006 [26]) * Marcel Leroux, former Professor of Climatology, Université Jean Moulin: "The possible causes, then, of climate change are: well-established orbital parameters on the palaeoclimatic scale, ... solar activity, ...; volcanism ...; and far at the rear, the greenhouse effect, and in particular that caused by water vapor, the extent of its influence being unknown. These factors are working together all the time, and it seems difficult to unravel the relative importance of their respective influences upon climatic evolution. Equally, it is tendentious to highlight the anthropic factor, which is, clearly, the least credible among all those previously mentioned." (M. Leroux, Global Warming - Myth or Reality?, 2005, p. 120 [27]) * Tad Murty, oceanographer; adjunct professor, Departments of Civil Engineering and Earth Sciences, University of Ottawa: global warming "is the biggest scientific hoax being perpetrated on humanity. There is no global warming due to human anthropogenic activities. The atmosphere hasn’t changed much in 280 million years, and there have always been cycles of warming and cooling. The Cretaceous period was the warmest on earth. You could have grown tomatoes at the North Pole"[28] * Tim Patterson [29], paleoclimatologist and Professor of Geology at Carleton University in Canada: "There is no meaningful correlation between CO2 levels and Earth's temperature over this [geologic] time frame. In fact, when CO2 levels were over ten times higher than they are now, about 450 million years ago, the planet was in the depths of the absolute coldest period in the last half billion years. On the basis of this evidence, how could anyone still believe that the recent relatively small increase in CO2 levels would be the major cause of the past century's modest warming?" [30] * Ian Plimer, Professor of Mining Geology, The University of Adelaide: "We only have to have one volcano burping and we have changed the whole planetary climate... It looks as if carbon dioxide actually follows climate change rather than drives it". [[31]] * Frederick Seitz, retired, former solid-state physicist, former president of the National Academy of Sciences: "So we see that the scientific facts indicate that all the temperature changes observed in the last 100 years were largely natural changes and were not caused by carbon dioxide produced in human activities." (Environment News, 2001 [32]) * Nir Shaviv, astrophysicist at the Hebrew University of Jerusalem: "[T]he truth is probably somewhere in between [the common view and that of skeptics], with natural causes probably being more important over the past century, whereas anthropogenic causes will probably be more dominant over the next century. ... [A]bout 2/3's (give or take a third or so) of the warming [over the past century] should be attributed to increased solar activity and the remaining to anthropogenic causes." His opinion is based on some proxies of solar activity over the past few centuries. [33] Scientists opposing the mainstream scientific assessment of global warming - Wikipedia, the free encyclopedia

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