Scientific sources reveal climate change

Mike Sigman’s recent letter, “Global warming: Insanity or religion?” (Herald, Nov. 7) was so laughable it should have been in the comics section rather than the editorial pages. Sigman speculates that “the hottest years on record probably were during the Dust Bowl days of the 1930s” rather than in recent years. There is a wealth of quantitative data that proves his speculation is way off the mark, and we are talking here of the world – not the Dust Bowl in Oklahoma during the 1930s. He then goes on to quote a number of climate metrics attempting to demonstrate how erroneous climate predictions made by climatologists have been – all without a single reference to where his numbers came from.

I think I know his source – and it is not even Fox News. I can say with some confidence that it is a place where the sun never shines.

Finally, he claims “climate science is not real science.” Really? If one can formulate a hypothesis that can be experimentally tested in a way that provides a quantitative measure that then can be compared to the hypothesis, it is science.

Rather than counter Mr. Sigman’s opinions with numbers of my own (and actual legitimate references, as well) I would urge all Herald readers to investigate this important issue of our times for themselves. I suggest a good place to start is to consult the U.S. National Academy of Sciences, which is one of the most pre-eminent scientific organizations on the planet. The academy’s website is The NAS is charged with the responsibility of providing our government and our citizenry with the scientific facts as they are currently known in an unbiased and nonpartisan manner.

That would be a far cry from what normally comes from the climate-change denier community so ably represented locally by Sigman.

Rick VanWagenen