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Livestock and climate change further explained

Chris Smaje cuts through the noise of the climate debate with a contrarian, yet rigorously grounded, assertion: that focusing exclusively on livestock as the primary driver of climate change is a dangerous distraction from the fossil fuel crisis. While the mainstream narrative often frames animal agriculture as the villain of the piece, Smaje argues that this perspective ignores the fundamental thermodynamics of the carbon cycle and the specific, long-term persistence of carbon dioxide compared to methane. This is not a defense of industrial farming, but a recalibration of priorities that demands we stop treating livestock as the sole climate savior or scapegoat.

The Fossil Fuel Blind Spot

Smaje begins by dismantling the popular claim that animal agriculture causes more warming than fossil fuels. He points out a fundamental accounting error in how these sectors are compared. "Directly or indirectly, there's a fossil fingerprint behind most contemporary climate change," he writes, noting that modern land-use changes and agricultural practices are largely powered by cheap fossil energy. The core of his argument is that you cannot separate the two; the industrial scale of farming is a downstream effect of the fossil fuel economy.

Livestock and climate change further explained

This framing is crucial because it prevents the "single issue" trap where solving one problem (livestock) is mistaken for solving the whole crisis. Smaje warns that relying on sinks like forests to absorb the carbon we pump out from the ground is a flawed strategy. "A forest is a much less stable form of carbon sequestration than an underground coal seam or oilfield, and we cannot expect existing biotic systems to endlessly absorb additional fossil carbon accumulated over millennia," he argues. This is a sobering reminder that nature has limits, and treating forests as an infinite carbon vacuum is a risky gamble.

Critics might argue that even if fossil fuels are the root cause, reducing methane from livestock offers the fastest way to slow near-term warming. Smaje addresses this by comparing the short-term relief of cutting methane to "pouring a bucket of cold water over yourself if you're sat in the midst of a raging house fire." He contends that without extinguishing the fire of fossil fuel combustion, the water offers only a fleeting, potentially misleading sense of safety.

We need to go beyond 'trees good, ruminants bad' and start getting busier with local detail.

The Complexity of Metrics and Land Use

The piece takes a sharp turn into the technical debate over how we measure greenhouse gases, specifically challenging the dismissal of the GWP metric by anti-livestock activists. Smaje defends GWP not as a corporate contrivance, but as a scientifically sound way to account for the short lifespan of methane. He explains that if the number of ruminants remains constant, the methane they emit is roughly balanced by natural sinks, resulting in little additional warming. "If more livestock are added, it will have a heating effect. If livestock are removed, it will have a cooling effect," he notes, suggesting that the metric aligns well with a strategy of stabilizing herds while aggressively cutting fossil fuels.

This nuanced view of metrics is often lost in polarized debates where numbers are weaponized. Smaje's willingness to engage with the science of radiative forcing, rather than just the morality of eating meat, lends his argument significant weight. He suggests that the focus should be on "(1) focus on cutting fossil fuel use... (2) try to augment and absolutely don't compromise existing GHG sinks... (3) where appropriate, cut ruminant numbers."

However, the argument also highlights the danger of one-size-fits-all solutions. Smaje illustrates this with the case of the Scottish Highlands, where the push to reforest is often blocked not by sheep farmers, but by deer managed for trophy hunting. "If you want to reforest the Highlands today, that basically means you have to kill a lot of deer," he observes, pointing out the irony that anti-livestock activists might inadvertently support a system that prevents reforestation. This local detail exposes the flaw in broad-brush policies that ignore the specific ecological and political realities of a region.

The Political Economy of Deforestation

Perhaps the most provocative part of Smaje's analysis is his rejection of the idea that stopping meat consumption will automatically stop deforestation. He argues that this view misunderstands the driving force of capitalist agriculture: profit, not food. "Pressing the logic further, we could say 'they don't produce beef for producing beef's sake, they only produce beef to produce profit'," he writes. If beef becomes unprofitable due to regulation or dietary shifts, the land will likely be repurposed for other extractive industries, such as biofuels or alt-meat feedstocks, which could be equally damaging to the climate.

This economic realism challenges the utopian view that consumer choices alone can dismantle the industrial food complex. Smaje proposes a more structural solution: "One of the best ways to mitigate against this is to allocate land in small parcels to people who are going to use it produce food and other necessities for themselves locally." He critiques the current discourse for focusing on corporate investment in alt-meat while ignoring the potential of small-scale, localized food systems. This shift in focus from consumption to production and land ownership is a vital, if often overlooked, component of climate justice.

Critics might note that small-scale agriculture faces its own challenges regarding efficiency and scalability in a globalized market. Yet, Smaje's point stands that the current trajectory of industrial agriculture, whether for meat or alternatives, is inherently tied to the same extractive logic that drives climate change.

Bottom Line

Smaje's strongest contribution is his insistence on the primacy of fossil fuel reduction, arguing that any climate strategy that ignores this is fundamentally flawed. His biggest vulnerability lies in the practical difficulty of transitioning to localized food systems without a massive overhaul of global trade and land policy. Readers should watch for how this argument influences the debate on GWP* metrics and whether policymakers begin to treat methane reduction as a complement to, rather than a substitute for, decarbonization. The path forward requires nuance, not just a new villain to blame.

Sources

Livestock and climate change further explained

by Chris Smaje · Chris's Substack · Read full article

I mentioned in my previous post the recent kerfuffle about animal agriculture and climate change associated with the work of Gerard Wedderburn-Bisshop (see this podcast and this paper). I also mentioned that I’m kinda done with getting into the details of all these ‘here’s my one weird trick to save the world’ approaches. But various people have asked me to explain further why I find Wedderburn-Bisshop’s position problematic. So … oh well, here goes. See, this is exactly my problem. You’re not helping. (For those on the other hand who’ve already had their fill of this issue, do just skip this post but please come back for my next one, where I’m going to tell a story…)

I’m going to do this quite briefly and summarily, although it’s still quite a long post. I’m not a scientist, but I’ve followed the issues around this for a while and I think I have an okay basic grasp of them. Of course, I’m open to polite criticisms, pushbacks and clarifications. But, as per above, I’m not planning to dwell on this much further (thanks as ever for keeping the comments coming, which is what makes writing these posts worthwhile, but apologies that I don’t always find time to offer adequate replies).

Before I begin let me say that I think much of the global livestock industry is a horror show, and it’d be great to bring the curtain down on a lot of it. Also that cutting down wild forests or ploughing up wild grasslands are terrible ideas. And that there are a lot of good reasons to opt for veganism. That’s not what this is about. There are fewer good reasons to opt for alt-meat, but that’s (mostly) another story.

I have nineteen numbered points, in which I try to navigate what this is about.

1. The main greenhouse gases of importance are carbon dioxide, methane and nitrous oxide. They have different potencies with respect to causing climate change – ‘radiative forcing’ – and different lengths of persistence in the atmosphere.

2. These gases have sources in ‘natural’ (i.e. not human-caused) and biotic processes, and they’re also absorbed and/or chemically changed by other natural/biotic processes (sinks). What’s left at any given time is in the atmosphere, acting as baseline greenhouse gases. But over the short-term on human timescales the natural carbon and nitrogen cycles are quite stable and the climate doesn’t ...