Monday, April 8, 2013

The unthinkable happens

It was 40 years ago that the American Psychological Association removed homosexuality from its list of mental disorders.
I won't even go there on the question of whether they were right pre-1973 or post-1973.
The point is that this science was a consensus for many years.
Global warming alarmists call people who don't buy their guff "deniers" and sniff that the belief in this theory is a "scientific consensus."
Let's leave aside the fact that there are thousands of scientists who don't buy it.
But just what is a consensus? It is a common belief among a group based on what they know.
Let's face it: Scientists just don't know everything about the weather, or climate.
Currently, there is widespread embarrassment among alarmists over the fact that there hasn't been any warming for the past 20 years.
Their computer models insist that it should be warming, and that anticipated future warming predicted by these models will wipe out mankind. These models are the basis for the demand that humans worldwide completely change their way of life and spend trillions of dollars in the process.
Maybe before that, we should have models that work?
Previously, they said no warming over a period of 10-20 years would be evidence that the theory is at fault. Now that period has passed, they are insisting it will take 30-40 years to show catastrophe is not imminent.
Let's also step back and take note that all this furor is over an increase in global warming of less than one degree since it began being measured.
At about the time psychological scientists changed their consensus, national news magazines were writing about a scientific consensus that the Earth was facing a new Ice Age.
That's right. There had been a cooling period of several years, following a warming period, and the science was settled, according to news accounts. Glaciers were coming.
Not long after that, a new consensus was formed and global warming was born.
They assured us it was not just a normal cycle of warming and cooling. Humans were causing it with their electric plants and automobiles. Don't worry about the fact that most of the increase occurred before electric plants and automobiles.
Common carbon dioxide -- without which life cannot exist on Earth -- came to be a "pollutant." Politicians want to tax it.
But the public is catching on. Global warming now ranks very low on the list of what people worry about, according to opinion polls.
Maybe those in the alarmist community might want to re-examine their consensus as the psychologists did 40 years ago.

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