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Wayne Teel's avatar

I have read Foley, and your piece, and basically agree. I would add that there is a role for animals in agriculture, just as there are in ecosystems. After all, grazing animals evolved in ecosystems, as did seed and insect eaters like chickens, and ground grubbers like pigs. The problem lies in raising them outside their ecosystems without the boundaries provided by predators, who keep them from eating the ecosystems to death. Cattle overgraze if not chased by wolves, or their human managers. Rapid rotational grazing, including on cropland, as recommended by Holistic Management, within ecosystems where grazers are native, works. Raising pigs in a forest, like in Corsica, and this can be done in closed canopy forest of the eastern US, also works. Raising chickens in warmer, mixed use landscapes with lots of cover also works, as they are native to these places (SE Asia). Serious problems arise with all three animals because we grow them and feed them outside the boundaries of their natural ecosystems. Our animal protein production system got so far out of synch because of vertical integration in the industry that depends on externalizing costs to the environment. Increased methane production is just one, and likely not as serious as leaks from the fracking industry. More serious problems stem from massive nutrient overloads in aquatic ecosystems due to intended and unintended leaks via runoff, leaching, erosion and more, either from fertilizer losses on farms, or manure losses from confined animal feeding operations. This meat production system is entirely broken and needs a total redesign if we are to heal violated planetary boundaries.

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Douglas J's avatar

Also, stopping deforestation in the Amazon, related to beef production, is of highest global priority--we need to safely avoid a tipping point in the rainforest, and some experts are giving warnings about the limits of deforestation.

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