Give credit to Grist for publishing this piece on regenerative grazing (a version of organic farming which reduces carbon emissions from beef cattle by capturing carbon in the soil).
A new analysis says there is indeed a big reduction in emissions, but the problem is the regenerative system requires more land, 2.5 times more land.
I may have blogged on this before--I think this applies to row crops as well. Doing a rotation among row crops, small grains, and legumes requires more land for the legumes, as well as a market for the hay.
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