No, because if you're directly eating whatever is being grown, the carbon is in a closed cycle. (Feedstock -> Your food -> You -> Air you exhale -> Plants turn it into feedstock.)
CO2 is not really a 'sustainability' problem for food production, because food production and consumption is steady state.[1] Methane is somewhat of a problem (Because it's a potent greenhouse gas that is not part of the food chain, but does eventually break down), but also eventually reaches a steady state, where you add emit it as quickly as it breaks down.
The bigger sustainability problem for food production comes from non-steady-state, non-reversible actions. Burning down a rainforest to permanently turn it into pasture[1]. Overfarming a plot of land, and exhausting all the nutrients from it.
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[1] Using fossil-fuel diesel-powered machinery to grow, harvest, and transport food, however, is not steady-state. That is a sustainability issue for food production. Fortunately, it's a very small part of overall human GHG emissions.
[2] Do enough of that, and this is irreversible - you can't ever turn that pasture back into rainforest, because you need existing rainforest to bootstrap new rainforest.
CO2 is not really a 'sustainability' problem for food production, because food production and consumption is steady state.[1] Methane is somewhat of a problem (Because it's a potent greenhouse gas that is not part of the food chain, but does eventually break down), but also eventually reaches a steady state, where you add emit it as quickly as it breaks down.
The bigger sustainability problem for food production comes from non-steady-state, non-reversible actions. Burning down a rainforest to permanently turn it into pasture[1]. Overfarming a plot of land, and exhausting all the nutrients from it.
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[1] Using fossil-fuel diesel-powered machinery to grow, harvest, and transport food, however, is not steady-state. That is a sustainability issue for food production. Fortunately, it's a very small part of overall human GHG emissions.
[2] Do enough of that, and this is irreversible - you can't ever turn that pasture back into rainforest, because you need existing rainforest to bootstrap new rainforest.