Dedicated to the balanced discussion of global warming
The Washington Times – September 19, 2007
Well, I guess everyone has the right to change his or her mind. It seems that the chief evangelist for the global warming crusade, Dr. James E. Hansen of NASA, wrote a paper a long time ago saying that Earth was headed into a new ice age.
Many people have tried to remind the world that it wasn’t that long ago that pre-eminent scientists believed that we were not getting warmer but rather we were getting colder. What has recently come out is that Dr. Hansen was part of this crowd.
I don’t fault Dr. Hansen for having this old position. What I do fault him for is that when he changes his mind he doesn’t understand if we question the new opinion. Climate science is very new and is likely that a conclusion can be wrong. That is fine – that is part of science. Just don’t call a theory a fact and expect that everyone should fall in step. Rather, Dr. Hansen should join me in my belief that we don’t understand enough of this stuff and we need to do a lot more research to really find out what is going on.
It does point out the inaccuracies of trusting the interpretations of computer models that take existing conditions, guess at other conditions, and then extrapolate the future.
I am reminded of the old child’s game of pulling petals off of flowers saying "He loves me, he loves me not, he loves me, he loves me not…" In this case it would be "It is getting warmer, it is getting colder, it is getting warmer,…." When do we run out of petals?
NASA scientist James E. Hansen, who has publicly criticized the Bush administration for dragging its feet on climate change and labeled skeptics of man-made global warming as distracting "court jesters," appears in a 1971 Washington Post article that warns of an impending ice age within 50 years.
"U.S. Scientist Sees New Ice Age Coming," blares the headline of the July 9, 1971, article, which cautions readers that the world "could be as little as 50 or 60 years away from a disastrous new ice age, a leading atmospheric scientist predicts."
The article goes on to say that Mr. Rasool came to his chilling conclusions by resorting in part to a new computer program developed by Mr. Hansen that studied clouds above Venus.
If sustained over "several years, five to 10," or so Mr. Rasool estimated, "such a temperature decrease could be sufficient to trigger an ice age."
You can read the entire article here but be warned that it also covers other items not of interest to the discussion of global warming.
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