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Saturday, September 19, 2026

National Academy of Sciences Removes Climate Chapter of ‘Reference Manual on Scientific Evidence’ After Credible Allegations of Advocacy and Biased Science

     

       Science should not be co-opted by climate activism. It should be maintained as unbiased as possible. That issue has been front and center lately as the National Academy of Sciences decides to remove a climate chapter after credible allegations of advocacy and biased science. Neil Shubin is the President of the National Academy of Sciences. He is an evolutionary biologist and veteran of many paleontology expeditions. I got to see him speak in the 2010s when he was on a speaking tour touting his discovery of transition fossils between fish and amphibians on a remote Arctic island. He was then known as “Darwin’s bulldog” for being a fierce advocate for evolutionary science. Being an advocate for science is not a political position, but being an advocate for policy may be a political position. Shubin suggested it was in a recent interview and, of course, with the decision to pull the chapter, a month before that.

     In an interview with Science Magazine Editor-in-Chief Holden Thorp, Shubin noted:

You can’t remove partisanship from things entirely and you can’t remove policy from things entirely. These aren’t clean lines.”

The perception surrounding the climate chapter warranted a new examination and that the Academy needed to take a "new fresh look" at the process behind it, Shubin said during the interview.”

     The idea was to pull it, review the process, and look at biases and whether the chapter constitutes advocacy. The climate report chapter was entitled “Attribution of Extreme Weather and Climate Events and Their Impacts 2026.” American Energy Institute CEO and founder Jason Isaac and others see it as vindication that science is compromised by activists, but that is a bit extreme in my view. I will also include Roger Pielke Jr.’s analysis of the situation as well.

"Neil Shubin just admitted that the National Academies' climate chapter in the 'Reference Manual on Scientific Evidence, Fourth Edition,' was never impartial science," American Energy Institute CEO and founder Jason Isaac, told The Daily Caller News Foundation.”

"It was litigation strategy dressed up in a lab coat. In his own words, the authors were 'associated more with the plaintiffs' side than with the defense side,' and the chapter skipped the conflict-of-interest review NASEM [National Academies of Sciences, Engineering, and Medicine] claims makes its work credible in the first place," Isaac continued.

     The issue was brought to light by the conservative watchdog organization, The Oversight Project. They noted that sections closely resembled a 2020 climate attribution paper co-authored by Columbia Law professor Michael Burger. Burger serves as executive director of Columbia University's Sabin Center for Climate Change Law and as counsel at Sher Edling, a law firm representing state and local governments in climate litigation against major energy companies. He is acknowledged as a source for the report. So, this lawyer is suing energy companies and writing chapters for NAS? Is that advocacy? I would say it depends on how they are connected, what is written, and the details of the lawsuits. At the very least, it seems to be a clear conflict of interest. Burger is not the only one being put in the spotlight, as Daily Caller notes:

Notably, Supreme Court Justice Elena Kagan had written the foreward to the fourth edition of the manual, prompting calls to recuse from hearing the Suncor Energy v. Boulder County climate litigation with the rest of the high court. The Judicial Crisis Network called on Kagan in July to recuse herself from the case, arguing that her foreword to the manual raised questions about her impartiality.”

     The main issue is so-called attribution science, which is laden with uncertainties and more easily manipulated into policy positions. The ubiquitous attributions of everything to climate change we often see in the media illustrate this. Robert Pielke Jr. offers expert analysis of the topics here: attribution science, climate change economics and impacts, and science integrity.




     The manual was developed by NASEM. NASEM is a private, nonprofit, tax-exempt 501(c)(3) organization operating under the congressionally chartered National Academy of Sciences (NAS). Pielke Jr. defends issue advocacy among scientists, saying that it is fundamental to a healthy democracy. However, in this case he argues that NASEM was designed to not be affected by issue advocacy. He cites NASEM’s own policy on advocacy:

 “We will NOT undertake work that is inconsistent with scientific evidence, for which an evidence base is insufficient, or that appears to be advocacy or have a foregone conclusion. We will avoid projects that would require us to make value judgments or that would be viewed as advocacy for specific policy or social outcomes, and we will avoid sponsors that may be viewed as advocates for such outcomes. Partaking in such work would serve to undermine our credibility.”

     Pielke Jr. also cites a “smoking gun” in the form of letters from former NAS president Marcia McNutt to and from a prominent funding donor. McNutt’s term ended June 30, 2026, and Shubin’s began. They had a fairly clear stated goal of attempting to impede the ability of the Trump administration to rescind the Endangerment Finding for regulating carbon dioxide as a pollutant. Toward that end, the climate report was fast-tracked. Pielke Jr. and I also agree that rescinding the finding is not necessary. However, that is no excuse to “cook the books,” as it were. House Oversight Committee chairman James Comer summarized the implications:

Read together, this evidence suggests NAS’ intent to salt the scientific battlefield against EPA’s proposed action for purposes of both litigation challenging any EPA rescission of the Endangerment Finding and other policy efforts aimed at undoing a rescission.”

     Pielke Jr. notes that NAS is relying less on government funding and more on funding from private donors and organizations. This includes philanthropic organizations and organizations with political aims. Below, he shows that federal funding for NAS has dropped from 85.1% in 2011 to 59.8% or 69.1% in 2023, depending on whether Gulf Research funding is included. Total government funding dropped from a peak of $277.1 million in 2011 to $200.6 million in 2023, before inflation.




     This, he says, has resulted in NAS seeking more private funding, which potentially opens it up to funding by biased groups and has led to what he calls “mission creep.” He suggests that NAS is getting closer to advocacy groups like the Union of Concerned Scientists on the left and the Heartland Institute on the right. Below, he notes that the fast-tracked report may have led to the EPA’s announcement that rescinding the Endangerment Finding would not rely on scientific claims (as the climate report attempted to supply), but on statutory interpretation.

As I have argued, justifying the rescission of the Endangerment Finding on scientific claims would have been deeply flawed — if the NASEM fast-track study did contribute in some way to the elimination of scientific claims from the rescission rule, it just may have made the arguments more likely to survive judicial review.”

     Pielke Jr. closes with some recommendations for NAS:

The National Academy of Sciences should function as a very special organization — one of the very few that can truly serve as an honest broker. Much reform is needed, but an important and straightforward first step would be for Congress to amend the Federal Charter for the NAS to prohibit funding from non-governmental organizations and require that all studies be requested by federal agencies or Congressional committees.”

     On August 27, 25 state attorneys general penned a letter to “Cabinet Secretaries, Administrators, and Directors” at the Federal level, asking them to stop funding the National Academies of Sciences, Engineering, and Medicine (“NASEM”). 




     Fierce fossil fuel advocate Thomas Shepstone stated that climate-litigation supporters funded, led, and provided input on the Report, which is true. Regarding attribution science, he cites the IPCC:

[s]cientists cannot answer directly whether a particular event was caused by climate change.”

     Shepstone goes on to show that the attribution science in the chapter was definitely designed to aid litigation cases against fossil fuel companies and that the chapter’s review process lacked transparency and was not up to standards.

     Shepstone also gives the following quote:

Organizations that abuse taxpayer money to prop up political causes for the benefit of donors should not receive federal agency grants…    

     I can agree with that statement in general, but we need the NAS, which was established by Abraham Lincoln’s administration, and which actually needs to be funded federally to keep advocacy groups from funding it with their own agendas of policy influence. Thus, defunding NASEM is not a good idea. Pielke Jr.’s idea of prohibiting funding from NGOs and requiring reports to be requested by government agencies is a much better and more practical idea than pulling government funding.

 

 

References:

 

National Academy of Sciences president acknowledges climate guide authors' ties to plaintiffs. Paris Apodaca. Daily Caller. September 6, 2026. National Academy of Sciences president acknowledges climate guide authors' ties to plaintiffs

The National Academy of Advocacy: A growing climate scandal at the US National Academy of Sciences. Roger Pielke Jr. September 1, 2026. The National Academy of Advocacy - by Roger Pielke Jr.

Half of the State Attorneys General in America Have Called Out the National Academies As A Sham That Shouldn’t Be Funded! Thomas J Shepstone. September 10, 2026. Half of the State Attorneys General in America Have Called Out the National Academies As A Sham That Shouldn’t Be Funded!

The challenges and plans ahead for a major scientific institution. Science Magazine Podcast. Interview with Neil Shubin. September 3, 2026. The challenges and plans ahead for a major scientific institution

Principles and Practices That Guide Our Work: The following statements reaffirm the principles and practices that guide our work to support our vision, values, and mission. National Academy of Sciences, Engineering, & Medicine. Principles and Practices That Guide Our Work

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              Science should not be co-opted by climate activism. It should be maintained as unbiased as possible. That issue has been fro...