A version of this post originally appeared on U.S. Food Policy.

Photo by Alternative Heat.

The journal Nature recently had an interesting meta-analysis — or quantitative literature review — about yields from organic agriculture. It’s called “Organic farming is rarely enough,” and the accompanying summary says, “Conventional agriculture gives higher yields under most situations.” This is probably true.

Yet even environmentalists are overreacting to the study. A recent article by Bryan Walsh at TIME magazine’s Ecocentric blog is titled, “Why Organic Agriculture May Not Be So Sustainable.”