Potential impacts of climate change that do not consider agricultural adaptation are of limited use and insight. This is a long-term trend, so anticipating farmers' spontaneous and planned responses to it should be included in projecting future effects.USDA recently held an Expert Stakeholders' Workshop as part of the process of writing its technical report on the effects of climate change on global food security and, subsequently, global and U.S. food systems. The participants were asked to share their expert opinions regarding the likely impacts regionally, nationally, and globally.In a 2012 technical report that assessed how climate change is affecting U.S. agriculture, there were several significant factors noted. The report's authors f...