Because of articles like the one below, sent to me by an internet friend (Alan A.), I still have serious doubts about the "global warming is our fault" assertion that has gained such a vocal political following. [Note to Houston readers: keep reading; some of your local historical trivia is at the bottom of this post.]
If there's anything even approaching a consensus, it's on the the political dimension; according to the article, the science is apparently not even garnering a majority, let alone a consensus. I remain skeptical, because I'm a strong supporter and advocate of the scientific method—which, as Galileo and others proved, is capable of eventually revealing the truth, while withstanding tremendous resistance from politicians and priests.
The article is titled Global Warming: Man-Made or Natural?, which I recommend reading all the way through. Here is an excerpt that helps explain my continuing skepticism:
In identifying the burning of fossil fuels as the chief cause of warming today, many politicians and environmental activists simply appeal to a so-called “scientific consensus.” There are two things wrong with this. First, there is no such consensus: An increasing number of climate scientists are raising serious questions about the political rush to judgment on this issue. . .
The second reason not to rely on a “scientific consensus” in these matters is that this is not how science works. After all, scientific advances customarily come from a minority of scientists who challenge the majority view—or even just a single person (think of Galileo or Einstein). Science proceeds by the scientific method and draws conclusions based on evidence, not on a show of hands.
That bears repeating: Scientific truths are not determined by a show of hands. If that were not the case, we'd never have heard of Copernicus, Galileo, Darwin, Einstein—or much of the contemporary evidence on the other side of the AGW debate, now begging for a hearing.
The scientific jury is still out.
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End notes:
The author of the article was S. Fred Singer. Anyone interested in his credentials (...or, for that matter, anyone interested in finding material for an attack on him of the ad hominem or guilt-by-association variety) should start with his Wikipedia entry here.
Commenters: Please remember that ad hominem and guilt-by-association attacks are logical fallacies, regardless of their effectiveness in politics to dodge the issue at hand. The best example of those tactics in my memory was a post-Watergate congressional race in Houston; here was the exchange as I heard it on the radio news:
Candidate A (a Democrat), to reporters:
My opponent looks, talks, and acts exactly like Richard Nixon.
Candidate B (a Republican), to reporters, when they told him of Candidate A's comment:
Oh jeez, he must be drunk again.