What Global Warming? | Cover Story | Salt Lake City | Salt Lake City Weekly

What Global Warming? 

Unmasking a proxy war strategy by online climate change denialists.

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In early December, a video of a dying, emaciated polar bear, foraging for food on an iceless land, went viral on social media. The video garnered millions of views on Facebook and YouTube. For most, it was a vivid signal of the future in store for us all due to human-caused (anthropogenic) global warming—rising temperatures due to increased carbon dioxide, methane and other greenhouse gases. For those who deny or minimize the existence of anthropogenic global warming, it wasn't a polar bear, but a red herring ("Propaganda," one YouTube viewer called it)—no one knows why it was dying, much less if it can be connected to global warming.

That's true, but also a bit beside the point.

"The problem is that an ever-warmer future means polar bears will have less and less access to their seal prey, so the rate at which bears die from malnutrition/starvation will increase," says Dr. Steven Amstrup, chief scientist for the nonprofit Polar Bears International. "So, regardless of the proximate cause of this bear's condition, this heart-wrenching footage provides us with a warning about the future."

Just days before the video went viral, a paper Amstrup co-authored presented the polar bear as something else as well: a "keystone domino," a proxy used to attack global warming. The paper states that:

"Because this evidence [for global warming] is so overwhelming, it would be virtually impossible to debunk; the main strategy of denier blogs is therefore to focus on topics that are showy and in which it is therefore easy to generate public interest. These topics are used as "proxies" for [anthropogenic global warming] in general; in other words, they represent keystone dominoes that are strategically placed in front of many hundreds of others, each representing a separate line of evidence for anthropogenic global warming. By appearing to knock over the keystone domino, audiences targeted by the communication may assume all other dominoes are toppled in a form of "dismissal by association."

The paper, Internet Blogs, Polar Bears, and Climate-Change Denial by Proxy, by Jeffrey Harvey, a senior scientist at the Netherlands Institute of Ecology, and 13 co-authors, looked at 90 blogs and 92 peer-reviewed papers. They analyzed them in terms of what they said about sea ice (declining rapidly or not, or varying unpredictably over the long run) and polar bears (threatened with extinction or not, or capable of adapting to threats).

Another co-author, Bart Verheggen, a climate scientist at Amsterdam University College, starkly describes their findings:

"There is a clear separation amongst blogs, where approximately half of the 90 blogs investigated agree with the majority of the scientific literature, whereas other blogs took a position that is diametrically opposed to the scientific conclusions. Most of the blogs in the latter group [about 80 percent] based their opinions on one and the same source: Susan Crockford."

Crockford is an unpaid adjunct professor at the University of Victoria in British Columbia.

There were a few contested papers—ones that drew critical comments after publication—that fell outside the consensus, but they all fell between the two groups of blogs.

"Our paper was clearly a direct hit because the response from the denial blogs was immediate," Harvey says. "As is their modus operandi, they studiously avoid the core messages, which are that they use a tiny set of topics (proxies) to dismiss anthropogenic global warming ... in attacking the evidence that [anthropogenic global warming] is driving a rapid reduction in seasonal arctic ice extent, [which] threatens polar bears, they almost completely avoid the published scientific literature."

It's worth noting that two of Harvey's co-authors, Amstrup and Ian Stirling, both co-authored more than 20 of the 92 papers in that literature, an indication of their depth of knowledge that denialists actually held against them.

The paper also concluded with an unusual call to action:

"We believe that it is imperative for more scientists to venture beyond the confines of their labs and lecture halls to directly engage with the public and policymakers, as well as more strongly confronting and resisting the well-funded and organized network of [anthropogenic global warming] denial."

But global warming denialism is so pervasive, it can now be considered a contributing factor to global warming itself—something to be studied and mitigated. This paper is just the latest in the growing field of scientific studies of global warming science and denialist response that's increasingly causing denialists to squirm.

click to enlarge “They have tried to discredit the paper by criticizing the statistical analyses.” —Jeffrey Harvey - VIA YOUTUBE.COM
  • via youtube.com
  • “They have tried to discredit the paper by criticizing the statistical analyses.” —Jeffrey Harvey

Studying Climate Denialism: A Growing Subfield
This began in 2004, when science historian Naomi Oreskes, a professor of the history of science and affiliated professor of earth and planetary sciences at Harvard, produced the first of several studies establishing the existence of a solid 97 percent consensus of scientists that humans are responsible for ongoing global warming. It's also been shown that increasing awareness of this consensus increases public acceptance. In 2015, Norwegian climate scientist Rasmus Benestad pioneered the study of patterns of mistakes across dissenting papers in the remaining 3 percent. These were discovered by trying to replicate their results.

In 2012, Stephan Lewandowsky, a cognitive scientist at the University of Bristol, in the United Kingdom, another of Harvey's co-authors, initiated another line of research. He explored patterns of reasoning in the public at large. He first discovered that belief in a cluster of conspiracy theories was associated with global warming denial. Then he studied the online response of denialists to that study in a paper called "Recursive Fury," in which he reported that many denialists exhibited at least one of six previously identified characteristics of conspiracist ideation.

The denialists reacted furiously again and the journal that published the paper withdrew it, not because there was anything scientifically wrong with it, but for fear of being sued. This was widely condemned for encouraging scientifically unfounded attacks. Crockford also tried to get Harvey's paper withdrawn and others tried to get Harvey condemned by his employer, but both were firmly rebuffed.

Finally, in 2016, Yale sociologist Justin Farrell conducted more research, using network science and text analysis to investigate the overall structure and organizational power of the contrarian network, including the role of elite corporate benefactors.

Thus, the first two lines of research establish why there's no credible scientific support for rejecting global warming, while the second two broadly explain the consensus gap between scientists and the public in terms of a combination of individual psychology and socio-political influence, with a strong financial component. Harvey's paper provides a much sharper focus for that broad explanation, leaving little wiggle room for a denialist response short of throwing up their hands in surrender.

"They clearly did not want to respond through the peer reviewed literature, but instead resorted to three main tactics," Harvey says. "The first was to accuse us of ganging up on Susan Crockford, even though she does not appear until page three of the article and is not the primary focus."

Indeed, Crockford is not even indirectly mentioned in the paper's abstract.

"They also launched all out attacks on the two most prominent authors, Mike Mann and Stephan Lewandowsky, finally coming around to me after some days," Harvey says.

Mann was principally responsible for the "hockey stick" graph, the first widely-accepted reconstruction of the past 1,000 years of northern hemisphere temperatures, showing dramatic temperature increases in the past few decades, which has made him a prime target for denialist attacks. "Recursive Fury" in particular made Lewandowsky a prime target. Finally, "They have tried to discredit the paper by criticizing the statistical analyses," Harvey concludes.

This was an effort spearheaded by economist Richard Tol, who floundered badly in a similar 2014 attempt to discredit the existence of the 97 percent consensus on global warming.

On the last point, Lewandowsky highlights what he called, The "Monty Python-esque" angle of them trying frantically to invalidate their data.

"The only way to achieve that would be if their blogs didn't make the claims they clearly insist on making—namely that the Arctic isn't melting and polar bears are just fine," Lewandowsky says.

click to enlarge WILDLIFE CONSERVATION NETWORK
  • Wildlife Conservation Network

A New Proxy Fight: Crockford Cries 'Rape!'
But what they lacked in substance, they made up for in sound and fury, with Crockford leading the way. After pointing out the denier blogs' heavy reliance on her, the paper reads:

"Notably, as of this writing, Crockford has neither conducted any original research nor published any articles in the peer-reviewed literature on polar bears."

Crockford, a zoologist who's been secretly paid by the denialist Heartland Institute, seemingly proved their point by responding with a series of heated blog posts, rather than a comment letter to the journal. One post claimed the paper was a conspiratorial response getting back at her for a non-peer-reviewed paper she'd published on the internet.

On one of the blog posts, she states that the "Bioscience article is academic rape: an assertion of power and intimidation ... Characterizing a professional, respected scientist as an unqualified vengeful opinion writer is the same kind of power attack as rape. It's meant to humiliate and intimidate."

Other denialist blogs echoed her theme, characterizing the paper's authors as "climate bullies" and harassers.

"Crockford's claim of academic rape is, in my opinion, really appalling," Harvey says. "Four of my co-authors are women, including two in their 20s."

So, was Crockford accusing them of rape, too? Or simply erasing their existence?

"Our team has no agenda against a specific blogger," said Meena Balgopal, associate professor of biology at Colorado State University—another co-author. "We simply found that the majority (80 percent) of the blogs that were identified as 'climate denying' referenced Crockford's blog. Our goal was to use objective methods to better understand how blogs that describe climate change and polar bears present and frame information. Discussions of '#MeToo' or 'rape' are, therefore, irrelevant to our study."

click to enlarge Steven Amstrup, co-author of 21 - papers in the 92-paper database, with three ridiculously cute polar bear cubs. - COURTESY POLAR BEARS INTERNATIONAL
  • Courtesy Polar Bears International
  • Steven Amstrup, co-author of 21 papers in the 92-paper database, with three ridiculously cute polar bear cubs.

Competing Conspiracy Theories
There's a second element in Crockford's persecution narrative: Her entry into the half-baked conspiracy theories about the origins of Harvey's story.

"It's interesting to see the different conspiracy theories being touted about our paper [on different denialist blogs]," Verheggen says.

He says that all of them are wildly wrong. The following are a few of the claims he refutes:

• Mann and Lewandowsky are behind it all, and they dragged others in with them (WUWT [a blog], others)

• Amstrup and Stirling wanted to get back at Crockford who criticized them and got others to help them (Tom Fuller at cliscep and elsewhere)

• A clique around Bart Verheggen and Amsterdam Academia got others to join them in their crusade against "skeptics," (the Dutch deniosphere at climategate.nl)

WUWT—What's Up With That?—is the most viewed denialist website worldwide. It actually promoted both of the first two conspiracies. Conspiracy theorists often embrace multiple, different and even contradictory conspiracy narratives. This is one of the six characteristics of conspiracist thought mentioned above, known as "must be wrong," a pervasive belief that a conspiracy exists despite specific disproofs. Another corollary of this conspiracy thought characteristic is the belief in mutually-contradictory theories. The conspiracies listed above aren't mutually exclusive, but they do illustrate another characteristic of conspiracist thought, "persecution-victimization," the tendency to see themselves as persecuted victims of the conspiracy, as well as potential heroes. Thus, Crockford and her fans prefer the conspiracy theory revolving around her, and the Dutch denialists prefer the conspiracy centered on Dutch soil.

click to enlarge Ian Stirling, co-author of 32 papers in the 92-paper database, removing satellite radio from female with cub. - COURTESY POLAR BEARS INTERNATIONAL
  • Courtesy Polar Bears International
  • Ian Stirling, co-author of 32 papers in the 92-paper database, removing satellite radio from female with cub.

A Peek Into Peer Review Confusions
"Amstrup is pissed off because I criticized his work," Crockford wrote in a comment at WUWT. "He and Stirling are not used to being challenged."

She touted her theory of the paper's origins and purpose, based on a paper she published online at PeerJ, which is not in a peer-reviewed journal.

Ignoring that fact, she wrote, "Colleagues have read my paper and found it to be fully acceptable as a piece of academic scientific work," adding, "If that were not true, this desperately ridiculous Bioscience paper would never have been published."

But that's not how science works. A paper generally has to be peer reviewed and published, before other scientists feel a need to respond.

"It was peer-reviewed by several well-qualified colleagues before publication (and revised accordingly) [which is not what 'peer-reviewed' means] but was not peer-reviewed again by the PeerJ organization, as is their policy," Crockford wrote elsewhere.

So, she knows full well it wasn't peer reviewed, but wants to confuse her non-scientist readers. That was from the blog post containing her "letter to the editors of the journal Bioscience requesting retraction of the shoddy and malicious paper by Harvey, et al." The editors surely saw through this amateurish deception. Just like Donald Trump, she was playing to her base.

That's hardly her only deception. Elsewhere on her blog, Crockford let her real feelings about Bioscience show—feelings so strong they seemed to impair her basic math:

"BioScience is an interesting choice for this 'Forum' paper: I counted only 4 polar bear research papers in this journal since 2004 but 11 papers on 'climate change denial' since 2010 (not including this one). In other words, few polar bear scientists would usually read this journal but many people interested in the 'problem' of 'climate change denial' would seek it out."

Yet, it only takes a moment, clicking on the links Crockford provides in the text, to discover she's totally wrong. There are actually 88 journal articles listed on polar bears, 72 classified as research articles. For 'climate change denial,' the numbers are 19 and 16, respectively. So, she's wrong about the journal's content, as well as what people read it for. It is not, as she pretends, a comfy conspiratorial den for her enemies, but a well-respected journal of bioscience!

"This kind of harassment, intimidation and threats are typical in my opinion of climate change deniers when they are criticized," Harvey concludes. "They rarely pursue the normal professional response of writing a rebuttal to a journal until all other options have been exhausted."

click to enlarge Internet Blogs, Polar Bears, and Climate-Change Denial by Proxy co-author Bart Verheggen, a climate scientists at Amsterdam University College. - COURTESY POLAR BEARS INTERNATIONAL
  • Courtesy Polar Bears International
  • Internet Blogs, Polar Bears, and Climate-Change Denial by Proxy co-author Bart Verheggen, a climate scientists at Amsterdam University College.

Back to the Science
If the point of such proxy controversies is to distract, it's good to refocus on what it's being distracted from.

"In addition to the badgering and nitpicking, we've been getting more conflation of the present and the future, more about how it has been warm in the past, and more suggestions polar bears will be fine on land," Amstrup says.

These are all topics well-settled in the scientific literature that are ripe for confusion in the context of a heated proxy fight. The paper explains these confusions, but denier blogs don't pay attention to scientific literature. That's the study's main finding, remember? So Amstrup ticked off what was being obscured.

"Deniers have criticized polar bear scientists because things we projected for later this century have not yet happened," he says. That's the main point of Crockford's non-peer-reviewed paper. So, "there are no future threats."

This ignores the known long-term trends and the point Amstrup made about the dying bear video.

"Lowered polar bear survival means more bears are starving to death, so regardless of what happened to cause this particular bear's problems, we know a future with less ice means higher rates of this kind of event in the future—a future we can avoid by mitigating greenhouse gas rise," Amstrup says.

He also commented on past warm periods.

"The best evidence suggests we will be far warmer by mid-century than any time in the polar bear's evolutionary history," Amstrup says. "The current warming occurring over the top of gradually declining insolation is caused by humans and is not at all analogous to past warming events."

As for polar bears surviving on land, studies show there just isn't enough nutritious food for them to survive on without access to sea ice where they can hunt seals. Sure, bears have been known to catch geese, for example, but, "there simply are not enough geese to feed all the polar bears if we ultimately let the ice disappear," Amstrup says.

Of course, the point of the paper is that all the above is well-known to scientists and is deliberately obscured on the denier blogs. The response to the paper helps to prove its point.

click to enlarge “Notably, as of this writing, Crockford has neither conducted any original research nor published any articles in the peer-reviewed literature on polar bears.” —Recursive Fury, Stephan Lewandowsky, et al. - VIA YOUTUBE.COM | JAMES GIBSON
  • via youtube.com | James Gibson
  • “Notably, as of this writing, Crockford has neither conducted any original research nor published any articles in the peer-reviewed literature on polar bears.” —Recursive Fury, Stephan Lewandowsky, et al.

A Last Hurrah—Or Harrumph
One last response deserves special attention: that of economist Richard Tol, who has made slipshod scientific-sounding arguments before. In a 2014 paper he criticized one of several studies showing a 97 percent consensus on global warming, arguing it was "only" 91 percent instead.

His paper was rejected twice by one journal for flawed methodology, before it was published by another, still with some of the problems reviewers had flagged. A debunking of his claims, 24 Critical Errors in Tol (2014), written by 10 co-authors was published at skepticalscience.com, which notes that in his most glaring mistake, "Tol effectively conjured approximately 300 papers rejecting or minimizing human-caused global warming out of thin air, with no evidence that those papers exist in reality."

This time, the outlook is strikingly similar. The data issues, once again, are illusory.

"Simply put, there are no issues with the data and Tol doesn't report any," Lewandowsky says. "What Tol is doing instead is to throw various innuendos at our particular form of the data and listing the limitations of it. This is a never-ending game of 'gotcha' because every type of data has specific limitations, which are taken into account by the appropriate statistical analysis."

His conclusions are chimeral, too.

"Harvey et al. (2017) thus really show that there are people who worry about sea-ice and polar bears, and those who do not and cite Dr. Crockford," Tol writes.

But the paper's co-authors disagree.

"We do not only show there are people who worry and people that do not," says Peter Roessingh, another co-author, an ecologist at the University of Amsterdam. "We show that all scientists are in one camp, with half of the blogs, and all other blogs are in the other camp. It is not a random mixture. By omitting the science position, he distorts our conclusion."

Tol also complains that some of the paper's authors had co-authored a good number of the papers on sea ice and polar bears, which made them biased. He layered multiple misleading arguments to make it seem quite underhanded and nefarious—questioning why only a small subset of papers on polar bears (in the Scopus database) were used, for example.

"There may well be 278 papers on polar bears in Scopus," Lewandowsky responds. "In fact, there are probably 10,000 papers in Scopus on bears. And a million on mammals. Holy cow, does this mean we ignored nearly a million relevant papers? Of course not! ... He'd get the same number of papers [we did] if he actually used our search terms ... Tol is complaining that the Bioscience paper is co-authored by scientists with a high level of relevant expertise. I would call that a strong asset of our paper!"

In short, Tol's response comes off as the final flourish in a flood of responses, all of which add up to a resounding underscoring of Harvey's results. As Lewandowsky says, it's Monty Python-esque.

"Our paper is hardly surprising, but deniers are angry simply because they have been formally exposed," Harvey sums up. "It is patently obvious that denier blogs are master cherry pickers of quite dubious sources. They know it too, but they just don't want to admit it."

Which is why the paper's call for scientists to become more engaged on social media is so crucial. The more of them there are, the harder it will be for the cherry pickers to win when the next viral video comes around.

Paul Rosenberg is the senior editor for Random Lengths News in Los Angeles and a contributing columnist for salon.com.

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