Last Updated: 11:01am GMT 09/11/2007
"It is the greatest scam in history. I am amazed, appalled and highly offended by it. Global Warming; It is a SCAM," John Coleman wrote in an article published on ICECAP, the International Climate and Environmental Change Assessment Project, which is known for challenging widely published theories on global warming.
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The maverick weather forecaster is known for his regular critic of widely accepted global warming theories. The Weather Channel broadcasts weather forecasts and weather-related news in the US 24 hours a day.
His views challenge the consensus of the international science community that it is at least 90 per cent certain that temperatures will continue to rise, with average global surface temperature projected to increase by between 1.4 and 5.8ºC above 1990 levels by 2100.
This increase will be accompanied by rising sea levels, more intense precipitation events in some countries, increased risk of drought in others, and adverse effects on agriculture, health and water resources.
A recent joint statement by the scientific academies of 17 countries, including the UK's Royal Society, endorsed the theory of climate change and dismissed doubts raised over the need for action to mitigate possible damage caused by climate change.
"We do not consider such doubts justified," the group said in a joint statement, urging prompt action to reduce emissions of greenhouse gases.
But Mr Colemen slams their views as part of a global conspiracy: "Some dastardly scientists with environmental and political motives manipulated long term scientific data to create in [sic] allusion of rapid global warming."
"Other scientists of the same environmental whacko type jumped into the circle to support and broaden the "research" to further enhance the totally slanted, bogus global warming claims. Their friends in government steered huge research grants their way to keep the movement going. Soon they claimed to be a consensus.
"Environmental extremists, notable politicians among them, then teamed up with movie, media and other liberal, environmentalist journalists to create this wild "scientific" scenario of the civilization threatening environmental consequences from Global Warming unless we adhere to their radical agenda.
"Now their ridiculous manipulated science has been accepted as fact and become a cornerstone issue for CNN, CBS, NBC, the Democratic Political Party, the Governor of California, school teachers and, in many cases, well informed but very gullible environmental conscientious citizens.
"Only one reporter at ABC has been allowed to counter the Global Warming frenzy with one 15 minutes documentary segment."
He added: "I have read dozens of scientific papers. I have talked with numerous scientists. I have studied. I have thought about it. I know I am correct.
"There is no run away climate change. The impact of humans on climate is not catastrophic. Our planet is not in peril."