The short version
- The American Farm Bureau Foundation for Agriculture removed a high school lesson on cattle methane emissions after ranchers argued the content unfairly blamed livestock for climate change.
- Critics of the lesson, including prominent farmers and conservative groups, claimed the material was condescending and scientifically misleading regarding natural biogenic cycles.
- Climate scientists maintain that reducing livestock methane is critical for limiting global warming, noting that the removed lesson contained significant data errors regarding emission percentages.
A science curriculum widely used in American schools has quietly dropped a lesson plan detailing how cattle contribute to climate change. The removal follows organized criticism from ranchers and agricultural advocates who argued that the material misrepresented the environmental impact of livestock. This incident highlights ongoing tensions within the beef industry regarding how its products are portrayed in educational settings, particularly concerning their role in global heating.
The curriculum is produced by the American Farm Bureau Foundation for Agriculture and its Food and Agriculture Center for Science Education. It is distributed free of charge to approximately 1.2 million students across more than 100 school districts nationwide. The program is funded through a mandatory levy on cattle sales, commonly known as the beef checkoff. Industry officials have stated that the curriculum aims to eliminate negative perceptions of agriculture among future consumers.
Late last year, the foundation introduced a new module titled 'Methane & Cattle: A Climate Connection.' The lesson was designed for high school students and intended to explain how cattle digestive processes generate methane and influence atmospheric dynamics. It utilized data from the United Nations Intergovernmental Panel on Climate Change to illustrate that methane is a potent greenhouse gas, despite having a shorter lifespan in the atmosphere compared to carbon dioxide.
The lesson faced immediate pushback from within the farming community. Jim Mundorf, a rancher and podcaster who has long criticized the beef checkoff program, published an analysis condemning the material. He described the lesson as infuriating and condescending toward farmers, arguing that blaming cattle for climate change is akin to blaming natural phenomena such as volcanoes or lightning strikes. His post was amplified by CPAC, a conservative political group, and spread rapidly across farming networks.
Other prominent figures in the industry echoed these concerns. Brett Kenzy, a South Dakota farmer and committee chair for the Ranchers-Cattlemen Action Legal Fund United Stockgrowers of America, called the lesson a slap in the face. He argued that it is unfair to claim cows are harming the environment because they are not. The backlash prompted internal reviews within the foundation, with education director Rick Henningfeld confirming at an industry convention that the material had been taken down for editing based on feedback.
Despite promises to revise and return the content, the lesson has not reappeared. A new module published in July focuses on cattle digestion but omits any mention of methane or climate impacts. Foundation spokespersons stated that the topic is too complex for a standard 45-minute class period and that they are developing a longer version. They emphasized that the current omission is not a permanent replacement but part of an ongoing review process involving university experts.
The controversy centers on differing interpretations of the biogenic carbon cycle. Agricultural advocates often argue that because atmospheric methane from livestock breaks down into carbon dioxide within about 12 years, which is then reabsorbed by grass, it contributes little to additional global heating. However, mainstream climate researchers reject this view as a justification for inaction. They point out that even steady-state biogenic emissions maintain a significant portion of current warming levels.
Carl-Friedrich Schleussner, a climate scientist at the International Institute for Applied Systems Analysis, noted that ongoing biogenic methane emissions are responsible for roughly 20 percent of global warming to date. He emphasized that cutting these emissions is essential to slow the rate of warming and keep peak temperatures manageable. Drew Shindell, a Duke University climate scientist who chaired the UN Global Methane Assessment, criticized the removal of the lesson, stating it deprives students of understanding the world they will inherit.
Shindell also pointed out that the original lesson contained factual errors, including a claim that livestock accounts for only 2 percent of human-caused methane emissions. The actual figure is slightly over 30 percent. He argued that the role of methane in climate change is well-established through laboratory measurements and satellite observations, making the scientific basis non-controversial. The episode underscores the difficulty of integrating established climate science into industry-funded educational materials when producer interests conflict with environmental data.
As the foundation continues to review research related to biogenic cycles, the absence of this lesson leaves a gap in the curriculum used by millions of students. The situation reflects a broader decades-long effort by the beef industry to shape public perception and educational content regarding its products. Whether the material will return in a revised form remains uncertain, with no timeline provided for when or if the climate connection module will be reinstated.
Sources behind this briefing
Go to the original reporting
- The Guardian World↗Beef industry quietly squashes part of its own science curriculum after ranchers protest
