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Sean Herrington maps a conversation that keeps going somehow. This vegan debate has a baseline problem, and it is not the one the bloggers think they are having.
Both sides already have conclusions. One side folds a complicated empirical question into a moral binary and calls the work finished. The other performs skepticism as a social signal. They disagree about diet, but they agree on method: conclusion first, analysis as retrofit.
The most interesting question is not whether veganism is good or bad for the environment, but whether those arguing in favor of veganism eat figs.
Some other questions I have before I can pick sides:
What is the comparison?
“Better for the environment” relative to what?
If the baseline is the average American diet, almost any change at all looks good. If the baseline is a mixed, locally adapted agricultural system, the answer changes. If the baseline is global scaling under current supply chains, it changes again.
Most of the writing here quietly switches baselines mid-argument. “Vegan” becomes a category containing everything from seasonal legumes to air-freighted almonds. “Omnivore” becomes feedlot beef plus industrial poultry plus whatever is rhetorically convenient. You end up with a result and no problem statement.
What is actually being measured?
Carbon is the number everyone tracks because it has a number attached to it. It is not the only thing that matters.
A system can be low-carbon while failing badly on water use, habitat destruction, soil loss, and biodiversity. Almonds are carbon-efficient and water-intensive in a region running out of water. Rice emits methane. Palm oil displaces rainforest at a scale that makes the carbon savings elsewhere look like rounding errors.
Once a movement commits to a metric, the metric stops being a test and becomes a target. Behavior shifts in ways the metric cannot see. Low-carbon destruction is still destruction. The movement is producing low-carbon tiny shoes and calling it a win for footwear.
If “better” means “lower carbon,” say that. If it means something else, name the weights.
Is land interchangeable?
Some land does not grow crops. In Highland Europe, much of the American West, and large parts of Ireland grazing exists because row crops cannot not.
Ruminants on permanent pasture are a different calculation than feedlot cattle. Grasslands store carbon. Converting them to crops releases it and frequently fails.
Most arguments here assume land is interchangeable without saying so. State the assumption and the claim becomes conditional: on this land type, under these practices, relative to this alternative. That is the correct form of the answer. It cannot be universalized, which is why the assumption stays buried.
Where does fertility come from?
Industrial crop systems run on synthetic nitrogen and mined phosphorus. Both have limits: energy inputs for the former, finite reserves and geopolitical concentration for the latter.
Mixed systems recycle nutrients through animal manure. Remove the animals and you need a replacement pathway at global scale. There are proposals but there is no working solution.
The blogs cite controlled studies showing land-use efficiency under specific conditions. That is not the same question as closing nutrient loops for eight billion people. The gap between those two is where the actual argument lives.
On figs
A fig is an inverted flower cluster. A female wasp enters to lay her eggs, loses her wings and antennae in the process, dies inside, and is digested by the plant. She becomes part of the flesh.
If the framework is "no animal deaths," the fig fails it. If the framework is "no deliberate killing," the fig is harder — because once you know the wasp is in there, eating it is a choice, not an accident. The deliberateness migrates from the plant to the person. You can draw the line wherever you want. The fig just asks you to say what that line is.
Sean Herrington maps a conversation that keeps going somehow. This vegan debate has a baseline problem, and it is not the one the bloggers think they are having.
Both sides already have conclusions. One side folds a complicated empirical question into a moral binary and calls the work finished. The other performs skepticism as a social signal. They disagree about diet, but they agree on method: conclusion first, analysis as retrofit.
The most interesting question is not whether veganism is good or bad for the environment, but whether those arguing in favor of veganism eat figs.
Some other questions I have before I can pick sides:
What is the comparison?
“Better for the environment” relative to what?
If the baseline is the average American diet, almost any change at all looks good. If the baseline is a mixed, locally adapted agricultural system, the answer changes. If the baseline is global scaling under current supply chains, it changes again.
Most of the writing here quietly switches baselines mid-argument. “Vegan” becomes a category containing everything from seasonal legumes to air-freighted almonds. “Omnivore” becomes feedlot beef plus industrial poultry plus whatever is rhetorically convenient. You end up with a result and no problem statement.
What is actually being measured?
Carbon is the number everyone tracks because it has a number attached to it. It is not the only thing that matters.
A system can be low-carbon while failing badly on water use, habitat destruction, soil loss, and biodiversity. Almonds are carbon-efficient and water-intensive in a region running out of water. Rice emits methane. Palm oil displaces rainforest at a scale that makes the carbon savings elsewhere look like rounding errors.
Once a movement commits to a metric, the metric stops being a test and becomes a target. Behavior shifts in ways the metric cannot see. Low-carbon destruction is still destruction. The movement is producing low-carbon tiny shoes and calling it a win for footwear.
If “better” means “lower carbon,” say that. If it means something else, name the weights.
Is land interchangeable?
Some land does not grow crops. In Highland Europe, much of the American West, and large parts of Ireland grazing exists because row crops cannot not.
Ruminants on permanent pasture are a different calculation than feedlot cattle. Grasslands store carbon. Converting them to crops releases it and frequently fails.
Most arguments here assume land is interchangeable without saying so. State the assumption and the claim becomes conditional: on this land type, under these practices, relative to this alternative. That is the correct form of the answer. It cannot be universalized, which is why the assumption stays buried.
Where does fertility come from?
Industrial crop systems run on synthetic nitrogen and mined phosphorus. Both have limits: energy inputs for the former, finite reserves and geopolitical concentration for the latter.
Mixed systems recycle nutrients through animal manure. Remove the animals and you need a replacement pathway at global scale. There are proposals but there is no working solution.
The blogs cite controlled studies showing land-use efficiency under specific conditions. That is not the same question as closing nutrient loops for eight billion people. The gap between those two is where the actual argument lives.
On figs
A fig is an inverted flower cluster. A female wasp enters to lay her eggs, loses her wings and antennae in the process, dies inside, and is digested by the plant. She becomes part of the flesh.
If the framework is "no animal deaths," the fig fails it. If the framework is "no deliberate killing," the fig is harder — because once you know the wasp is in there, eating it is a choice, not an accident. The deliberateness migrates from the plant to the person. You can draw the line wherever you want. The fig just asks you to say what that line is.