Food’s environmental impacts are created by millions of diverse
producers. To identify solutions that are effective under this
heterogeneity, we consolidated data covering five environmental
indicators; 38,700 farms; and 1600 processors, packaging types, and
retailers. Impact can vary 50-fold among producers of the same product,
creating substantial mitigation opportunities. However, mitigation is
complicated by trade-offs, multiple ways for producers to achieve low
impacts, and …