Data alone rarely tell us anything; it isn’t proof of anything, it is only evidence. Data is best used to draw conclusions or make comparisons with other data to define relationships. Data can be very useful in establishing fact, but it does a very poor job of refuting arguments based on simple logic. If I tell you that the unemployment rate is 8.1%, there is data available to confirm or refute this fact. But if I tell you that unemployment is high, I’ve made a conclusion that cannot be refuted with data alone.
In general it seems that global warming skeptics are more familiar with both sides of the argument. They have heard the supporters’ arguments and have a passing familiarity with the global warming data. Global warming supporters, on the other hand, only pay attention to the data and are generally unfamiliar with the skeptical arguments.
I think the source of the problem is how each side views the global warming debate. To the supporters, global warming is simply a fact, therefore the only thing to consider is global warming data. But skeptics view global warming as an argument or a conclusion. The skeptical view opens up examination of the data and methodology to allow for different conclusions, whereas the supporter ignores opposing arguments because they believe global warming to be a fact.
Like in my unemployment example above, if global warming is a fact it can be proven with data. Lots and lots of data. But if global warming is a conclusion based on interpretation of data, the debate must necessarily focus on the logic or illogic surrounding the conclusion. While data may be useful, it is not always necessary to refute a logical argument.
Certain or Hard-Headed?
Since I began blogging, I’ve run into two brick walls on the subject of global warming. By brick walls I mean individuals who are scientifically-minded, ready with a plethora of facts and figures, and have a high level of certainty in their conclusion that man-caused global warming will lead to a global catastrophe. While neither of them was willing to entertain skeptical arguments or even consider that they could change their minds, I was the one described as hard-headed. Needless to say, the irony was lost on them.
What neither of them understood was that I am not skeptical of global warming data; I am skeptical about their conclusions. I am not a scientist and I’m not equipped to evaluate or judge the data in any way. The best I can do is evaluate methodologies and conclusions, which generally come down to reasoned and logical arguments.
The problem is that when I express a skeptical argument – a logical argument – my argument was countered with a seemingly unending stream of data. This is essentially a red herring, answering a challenge by providing an answer that ignores the challenge. The real problem is that we’re speaking a different language. Since the supporter assumes global warming is a fact, data is all that is needed to counter any argument. But data alone is insufficient to counter logic.
Here are some global warming examples to demonstrate, using a mix of my own statements with quotes from a book I’m currently reading, Still the Best Hope by Dennis Prager.
The Climate Changes
According to accepted estimates, the earth has warmed since the 1800s, although it has slowed or stopped in the last 10-15 years. “Professor Mojib Latif, a climate expert… and member of the IPCC, said that recent fluctuations in ocean currents in the North Atlantic (Arctic oscillation) may signal cooler temperatures ahead, perhaps for the next thirty years.” [Emphasis mine.]
Skeptics point to this spotty warming record as evidence that global warming cannot be entirely man-caused. First, carbon emissions continue to grow, so how to explain no warming in the last 10-15 years. Second, does anyone believe that carbon emissions will fall in the next 30 years to coincide with the Arctic oscillation? Of course not! So the linkage between carbon emissions and global temperature is not a solid one.
If it were a solid link, every time carbon emissions went up, so would the temperature; every time carbon emissions went down, so would the temperature. This is a simple logical argument that cannot be refuted by more data. Saying that current carbon emissions are causing current temperature increases is logically inconsistent with what we know of the past. A new logical argument needs to be presented; not more data.
Man vs. Nature
As we all learned in elementary school, the climate changes naturally; sometimes it warms and sometimes it cools. The age of the dinosaurs was tropical and Neanderthals lived through an ice age. Significantly, the earth has been warmer in the past when there were no man-caused carbon emissions. What amount of data can overcome the simple argument that the earth has been warmer in the past, without human carbon emissions?
Prager quotes Denis G. Rancourt, a professor of physics and environmental research, saying that “even doubling the present atmospheric CO2 concentration, to the unattainable value of 800 ppm… would have little discernible effect on global temperature or climate.” [Emphasis mine.] He is only one scientist, so I don’t claim to nullify all other global warming scientists by quoting him, but it’s clear that there are alternate global warming views that counter the so-called consensus.
Other arguments have been made that solar activity affects the earth’s climate. A couple of years ago it was reported that Mars is also experiencing global warming. Neither of these celestial bodies are within range of my SUV’s carbon emissions, so it seems logical that natural forces can influence the temperature of our planet. Absent a counter argument that undermines this logic or demonstrates a greater influence from man, what amount of data would be persuasive? What human activity could possibly affect the temperature on Mars?
An Ideal Temperature
Knowing that the earth has been warmer in the past and all life did not consequently die out, a skeptic might argue that there is no reason for us to stop global warming – if we are even able to stop it. Global cooling could be a problem as livable regions of the planet disappear and agriculture comes to a standstill, but why would warming of the planet be so bad? Is today’s temperature so ideal that we need to stop warming now?
Civilization owes its roots to global warming, which allowed mankind to reproduce, farm, and develop city centers. Rancourt again: “There is no known case of a sustained warming alone having negatively impacted an entire population… As a general rule, all life on Earth does better when it’s hotter: Compare ecological diversity and biotic density (or biomass) at the poles and at the equator…” [Emphasis mine.]
History has demonstrated what we all understand logically: a warmer environment is good for the planet and the species that live on it. Obviously, a temperature increase that brings us in line with Venus would be catastrophic, but the most catastrophic estimates we’re talking about are just a few degrees.
Data can only demonstrate the facts. At best, the data can be input into a computer model and estimate a future temperature. That prediction may or may not be accurate (the history of computer climate models is not a good one). But even if accurate, temperature data is simply data and we must use our minds to evaluate the data and draw conclusions. Offering a rebuttal to an argument using data alone is to misunderstand the debate you’ve walked into.
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Coup de grace
Rancourt is not a right-wing nut on the payroll of Big Oil. This particular global warming expert comes to us from the radical left. One further quote from Rancourt taken from Prager’s book: “I argue that by far the most destructive force on the planet is power-driven financiers and profit-driven corporations and their cartels backed by military might; and that the global warming myth is a red herring that contributes to hiding this truth.” Truly a man of the left.