This blog post, by Caroline Grunewald and Dan Blaustein-Rejto of the Breakthrough Institute (a US think tank), argues that the large scale of much American farming does not mean it is necessarily unsustainable - rather, when looking at the intensity of greenhouse gas emissions, land use and water use per unit of output, dramatic improvements have been seen since 1961.
Read the blog post here. See also the Sustainable Intensification Tracker created by the Breakthrough Institute here, and read the Foodsource building block What is sustainable intensification?
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