Unprecedented snow in Las Vegas has some scratching their heads – how can there be global warming with this unusual cold and snowy weather?

CNN Meteorologist Chad Myers had never bought into the notion that man can alter the climate and the Vegas snowstorm didn’t impact his opinion. Myers, an American Meteorological Society certified meteorologist, explained on CNN’s Dec. 18 “Lou Dobbs Tonight” that the whole idea is arrogant and mankind was in danger of dying from other natural events more so than global warming.

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“You know, to think that we could affect weather all that much is pretty arrogant,” Myers said. “Mother Nature is so big, the world is so big, the oceans are so big – I think we’re going to die from a lack of fresh water or we’re going to die from ocean acidification before we die from global warming, for sure.”

Myers is the second CNN meteorologist to challenge the global warming conventions common in the media. He also said trying to determine patterns occurring in the climate would be difficult based on such a short span.

“But this is like, you know you said – in your career – my career has been 22 years long,” Myers said. “That’s a good career in TV, but talking about climate – it’s like having a car for three days and saying, ‘This is a great car.’ Well, yeah – it was for three days, but maybe in days five, six and seven it won’t be so good. And that’s what we’re doing here.”

“We have 100 years worth of data, not millions of years that the world’s been around,” Myers continued.

Dr. Jay Lehr, an expert on environmental policy, told “Lou Dobbs Tonight” viewers you can detect subtle patterns over recorded history, but that dates back to the 13th Century.

“If we go back really, in recorded human history, in the 13th Century, we were probably 7 degrees Fahrenheit warmer than we are now and it was a very prosperous time for mankind,” Lehr said. “If go back to the Revolutionary War 300 years ago, it was very, very cold. We’ve been warming out of that cold spell from the Revolutionary War period and now we’re back into a cooling cycle.”

Lehr suggested the earth is presently entering a cooling cycle – a result of nature, not man.

“The last 10 years have been quite cool,” Lehr continued. “And right now, I think we’re going into cooling rather than warming and that should be a much greater concern for humankind. But, all we can do is adapt. It is the sun that does it, not man.”

Lehr is a senior fellow and science director of The Heartland Institute, an organization that will be holding the 2009 International Conference on Climate Change in New York March 8-10.

Another CNN meteorologist attacked the concept that man is somehow responsible for changes in climate last year. Rob Marciano charged Al Gore’s 2006 movie, “An Inconvenient Truth,” had some inaccuracies.

“There are definitely some inaccuracies,” Marciano said during the Oct. 4, 2007 broadcast of CNN’s “American Morning.” “The biggest thing I have a problem with is this implication that Katrina was caused by global warming.”

Marciano also said that, “global warming does not conclusively cause stronger hurricanes like we’ve seen,” pointing out that “by the end of this century we might get about a 5 percent increase.”

His comments drew a strong response and he recanted the next day saying “the globe is getting warmer and humans are the likely the main cause of it.”