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Climatologist Dr. Roy Spencer: Top Ten Good Skeptical Arguments

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Top Ten Good Skeptical Arguments

http://www.drroyspencer.com/2014/05/top-ten-good-skeptical-arguments/

As suggested by a friend, I’m following up my Top Ten bad global warming arguments list with a Top Ten good arguments list. These are in no particular order, and I might have missed something important.
These ten were just off the top of my head….there’s no telling what might be lingering deeper in my brain.
I have avoided specific alternative causal mechanisms of natural climate change, because I view them individually as speculative. But taken as a whole, they represent a class of unknowns that can’t be just swept under the rug just because we don’t understand them.
For some reason, all of these ended up being phrased as questions, rather than statements.
1) No Recent Warming. If global warming science is so “settled”, why did global warming stop over 15 years ago (in most temperature datasets), contrary to all “consensus” predictions?
2) Natural or Manmade? If we don’t know how much of the warming in the longer term (say last 50 years) is natural, then how can we know how much is manmade?
3) IPCC Politics and Beliefs. Why does it take a political body (the IPCC) to tell us what scientists “believe”? And when did scientists’ “beliefs” translate into proof? And when was scientific truth determined by a vote…especially when those allowed to vote are from the Global Warming Believers Party?
4) Climate Models Can’t Even Hindcast How did climate modelers, who already knew the answer, still fail to explain the lack of a significant temperature rise over the last 30+ years? In other words, how to you botch a hindcast?
5) …But We Should Believe Model Forecasts? Why should we believe model predictions of the future, when they can’t even explain the past?
6) Modelers Lie About Their “Physics”. Why do modelers insist their models are based upon established physics, but then hide the fact that the strong warming their models produce is actually based upon very uncertain “fudge factor” tuning?
7) Is Warming Even Bad? Who decided that a small amount of warming is necessarily a bad thing?
8) Is CO2 Bad? How did carbon dioxide, necessary for life on Earth and only 4 parts in 10,000 of our atmosphere, get rebranded as some sort of dangerous gas?
9) Do We Look that Stupid? How do scientists expect to be taken seriously when their “theory” is supported by both floods AND droughts? Too much snow AND too little snow?
10) Selective Pseudo-Explanations. How can scientists claim that the Medieval Warm Period (which lasted hundreds of years), was just a regional fluke…yet claim the single-summer (2003) heat wave in Europe had global significance?
11) (Spinal Tap bonus) Just How Warm is it, Really? Why is it that every subsequent modification/adjustment to the global thermometer data leads to even more warming? What are the chances of that? Either a warmer-still present, or cooling down the past, both of which produce a greater warming trend over time. And none of the adjustments take out a gradual urban heat island (UHI) warming around thermometer sites, which likely exists at virtually all of them — because no one yet knows a good way to do that.
NOTE: I’ve been thinking about why my “bad arguments” post involved statements, but my “good arguments” post involves all questions. I think it’s because the bad arguments (I attempt to debunk) always seem to be posed as facts, which the believers seem to have complete faith in. In contrast, the “good arguments” are posed as questions because of the inherent uncertainty of the whole global warming issue…the IPCC states so many things as facts, yet there are usually alternative explanations they don’t discuss.

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