US Right to Know analyses claims for glyphosate's safety by Mark Lynas, the American Council on Science and Health, and others
It's encouraging to see how quickly and thoroughly lobbyists' spin on glyphosate-based herbicides is now being discredited.
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Glyphosate spin check: Tracking claims about the most widely used herbicide
[excerpt only]
by Stacy Malkan
US Right to Know, April 26, 2019
https://usrtk.org/pesticides/glyphosate-spin-check-tracking-claims-about-the-most-widely-used-herbicide/
[links to sources at the URL above]
Amid global debate over the safety of glyphosate-based herbicides such as Monsanto’s Roundup, numerous claims have been made to defend the product’s safety. In the wake of two recent landmark jury rulings that found Roundup to be a substantial factor in causing non-Hodgkin lymphoma, we examined some of these claims and fact-checked them for accuracy.
If you have more examples of glyphosate spin you’d like us to fact check, please email them to This email address is being protected from spambots. You need JavaScript enabled to view it. or tweet to us @USRighttoKnow.
Mark Lynas, Cornell Alliance for Science
Cornell Alliance for Science website (Nov. 2017)
This article by Mark Lynas contains several inaccurate and misleading statements. Like many promoting glyphosate products, the claims here focus on trying to discredit the International Agency for Research on Cancer (IARC), which classified glyphosate as a probable human carcinogen in 2015.
CLAIM: IARC is a “little known and rather flaky offshoot of the World Health Organization” that “finds almost everything carcinogeni”.
FACT: IARC is the specialized cancer research agency of WHO with expert panels comprised of independent scientists from various disciplines of cancer research. In its 50-year history, IARC has assessed 1,013 substances and found 49% of those were not classifiable as carcinogenic to humans; 20% were classified as known or probable human carcinogens.
CLAIM: “early drafts of the IARC assessment were extensively altered at a late stage to point towards a carcinogenicity finding – even when the science they were assessing pointed away from this”
FACT: This claim is sourced with a flawed Reuters report by Kate Kelland that left out crucial facts, including the fact that most of the information IARC didn’t adopt from “early drafts” was from a review article co-authored by a Monsanto scientist. The review article “did not provide adequate information for independent evaluation of the conclusions reached by the Monsanto scientist and other authors,” IARC said. Kelland has written a number of stories critical of IARC; documents released in 2019 establish that Monsanto secretly had a hand in some of her reporting.
Lynas used one other source to buttress his claims about wrongdoing at IARC: David Zaruk, a former chemical industry lobbyist who once worked for the public relations firm Burson-Marsteller.
CLAIM: Glyphosate is the “most benign chemical in world farming”
FACT: This statement is not science-based. Studies link glyphosate to a range of health concerns including cancer, endocrine disruption, liver disease, shortened pregnancies, birth defects and damage to beneficial gut bacteria. Environmental concerns include negative impacts on soil, bees and butterflies.
SOURCE: Mark Lynas is a former journalist turned promotional advocate for agrichemical products. He works for the Cornell Alliance for Science, a PR campaign housed at Cornell University that is funded by the Bill & Melinda Gates Foundation to promote and defend GMOs and pesticides.
American Council on Science and Health
ACSH website (October 2017)
CLAIM: IARC’s report on glyphosate was a case of “scientific fraud”
FACT: ACSH based its “fraud” claims on the same two sources Mark Lynas used to try to discredit IARC: the flawed article in Reuters written by a reporter who has cozy ties to Monsanto, and the former chemical industry lobbyist David Zaruk.
SOURCE: The American Council on Science and Health is a front group that receives funding from chemical, pharmaceutical and tobacco companies, and pitches its services to industry groups for product defense campaigns, according to leaked internal documents. Emails from 2015 establish that Monsanto was funding ACSH and asked the group to write about the IARC glyphosate report. An ACSH staffer responded that they were already involved in a “full-court press re: IARC” regarding agrichemicals, phthalates and diesel exhaust.
Yvette d’Entremont, a.k.a. the “Sci Babe”
Self Magazine article (October 2018)
CLAIMS: “with over 800 studies on it, no study has shown the components in Roundup to cause cancer” … “there haven’t been major credible studies showing a causal link between Roundup and cancer.”
FACT: Several major credible studies link Roundup or its key component glyphosate to cancer, including a study submitted to the EPA in the 1980s that EPA scientists at the time said was evidence of cancer concerns. There are too many studies to list, but citations can be found in the 2015 International Agency for Research on Cancer Monograph on Glyphosate.
Additionally, a broad scientific analysis of the cancer-causing potential of glyphosate herbicides published in February 2019 found that people with high exposures had an increased risk of developing a type of cancer called non-Hodgkin lymphoma.
SOURCE: Yvette d’Entremont is a “contributing editor” to Self Magazine with a column called “SciBabe Explains”. Self Magazine does not disclose to its readers that SciBabe partners with companies whose products she defends. In 2017, the artificial sweetener company Splenda partnered with SciBabe to help “empower fans of the SPLENDA® Brand to take an active role in busting myths about sucralose”. Chemical companies have sponsored some of her speaking engagements at farming conferences.
Geoffrey Kabat, epidemiologist
Genetic Literacy Project website (October 2018)
CLAIM: Glyphosate “has been so thoroughly studied for toxicity and the concentrations found in humans are so low that there is no need for further study … there is really nothing left to justify further research!”
FACT: In sworn testimony admitted into evidence in ongoing litigation against Monsanto and its owner Bayer AG, former Monsanto CEO Hugh Grant acknowledged the company never did any epidemiology study of glyphosate-based herbicide formulations the company sells. The company also sought to block a toxicity evaluation of glyphosate formulations by the Agency for Toxic Substances and Disease Registry.
Moreover, these comments, which Dr. Kabat attributed to an anonymous source, ignore two key facts: independent studies link glyphosate to a wide range of health problems and environmental concerns, and evidence from court filings suggests that Monsanto interfered with scientific and regulatory assessments of glyphosate (see examples and sources here, here, here, and here).
According to Judge Vince Chhabria, who presided over a recent federal trial that resulted in $80 million in damages against Monsanto, “the plaintiffs have presented a great deal of evidence that Monsanto has not taken a responsible, objective approach to the safety of its product”.
[Read on at:
https://usrtk.org/pesticides/glyphosate-spin-check-tracking-claims-about-the-most-widely-used-herbicide/ ]