Doubling Down on Climate Change Denial

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Doubling Down on Climate Change Denial

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Oh, those wacky professional climate change deniers! Once again, theyâve banded together a passel of people, 90 percent of whom arenât even climatologists, and had them sign a nearly fact-free opinion piece in the Financial Post, claiming global warming isnât real. Itâs an astonishing example of nonsense so ridiculous I would run out of synonyms for âbilgeâ before adequately describing it.

The Op-Ed is directed to U.N. Secretary General Ban Ki-Moon, who has recently, and thankfully, been vocal about the looming environmental catastrophe of global warming. The deniersâ letter takes him to task for this, but doesnât come within a glancing blow of reality.

The letter itself is based on a single claim. So letâs be clear: If that claim is wrong, so is the rest of the letter.

Guess what? That claim is wrong. So blatantly wrong, in fact, itâs hard to imagine anyone could write it with a straight face. It says:

âThe U.K. Met Office recently released data showing that there has been no statistically significant global warming for almost 16 years.â

This is simply, completely, and utterly false. The Met Office is the national weather service for the United Kingdom. In October 2012, they updated their database of global surface temperature measurements, a compendium of temperatures taken over time by weather stations around the planet. David Rose, a climate change denier who can charitably be said to have trouble with facts, cherry-picked this dataset and published a horrendously misleading graph in that bastion of scientific thought, the Daily Mail, saying the measurements show thereâs been no global warming for the past 16 years.

But he did this by choosing a starting point on his graph that gave the result he wanted, a graph that looks like thereâs been no warming since 1997. But if you show the data properly, you see there has been warming:

The top graph is from Roseâs article, but the bottom graph shows what happens when you display the data going back a few more years. See the difference? What he did is like measuring how tall you are when youâre 25, doing it again when youâre 30, then claiming human beings never grow. Thatâs a big no-no in science. You have to choose starting and ending points that fairly represent the data, as in the bottom graph. When you do, you very clearly see the trend that the Earth is getting warmer. In fact, hammering home how patently ridiculous this claims is, nine of the 10 hottest years on record have been since 2000. On top of that, Rose was using global surface temperatures, which donât really represent global overall heat content well; most of the heating is going into ocean waters. So the data heâs displaying so awfully isnât even the right data to make his claim anyway!

So the very first basis of this denial letter is total garbage, and was such an egregious manipulation of the U.K. Met Office data that the Met Office itself issued a debunking of it! Yet here were are, months later, with the deniers still ignoring facts.

The letter is chock full of more such falsehoods. If you want the rundown, please go read the great article on Skeptical Science destroying this nonsense. Full disclosure: I had already written quite a bit more for this post before seeing the one at Skeptical Science, and decided it would be better to send readers there for more rather than debunk all the wrongness here. Iâm pleased to note they found the same examples of misleading or outright false statements in the deniersâ article and debunked them the same way I had.

I do want to add something, though. Iâll note that it seems superficially impressive that they got 125 scientists, âqualified in climate-related mattersâ as they claim, to sign this letter.

Yeah, about thatâ¦

First, not everyone signing that letter is a scientist. Lord Monckton, for example, apparently has no formal scientific training, has some trouble with the truth, and oh, by the way, claims Obamaâs birth certificate is a forgery. Heâs the last guy Iâd want signing a letter I was on. Yet he seems to pop up on every denialist list as a go-to guy.

Hereâs another: The very first signatory, Hhabibullo Abdusamatov, claims that global warming is caused by the Sun, which is patently and provably false (see that Skeptical Science link for more). Many of the claims Abdusamatov makes (as listed on his Wikipedia page) are, um, not accepted by mainstream science, to be very charitable.

Going down the list of signatories I was struck by how many are not, in fact, climate scientists (again, for examples with references, see Skeptical Science); I counted a dozen who actually have climatology in their listed credentials. Itâs kinda weird to write such a big letter and then only have fewer than 10 percent of the signers actually be credentialed in the field.

Of course, Iâm not a climatologist either, though I am an astronomer classically trained in science, and that means I know enough to rely on the combined research of actual climate scientists from around the world. And when thousands upon thousands of such scientistsâ in fact, 98 percent of actual, bona fide climate scientistsâsay global warming is real, well then, that strikes me as being somewhat more credible than a hundred or so politically and ideologically driven non-climate-scientists.

Iâll note this isnât the first time a laughably-wrong article has been printed by right-leaning venues and signed by multiple, similarly-inappropriate authors. The Wall Street Journal posted one in January 2012 (while turning down an article supporting the reality of global warming signed by 255 actual scientists), and in April 2012, another made the rounds that was signed by 49 people, including some ex-NASA astronauts, but again, none who actually were climate scientists.

So we can expect to see more of this. Clearly, when you donât have facts to support your claims, the best thing to do is make as much noise as possible to distract from reality. And that reality is that the world is getting hotter, and unless we do something, now, weâre facing a world of trouble.

Tip oâ the poison pen to reddit.

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