The biodiversity of food plants is vital for humanity's capacity to meet sustainability challenges. This goal requires the rigorous integration of plant, environmental, social and health sciences. It is coalescing around four thematic cornerstones that are both interdisciplinary and policy relevant.
The authors are grateful to the Ernst Strüngmann Foundation that funded the Agrobiodiversity in the 21st Century Forum convened 3–7 October 2016 at the Frankfurt Institute for Advanced Studies on the campus of the University of Frankfurt, Germany. We are grateful to J. Lupp of the Strüngmann Foundation, the 35 scientists and scholars that comprise the members of the Agrobiodiversity Forum, and the leadership provided through the six members of the Program Advisory Committee. The GeoSyntheSES Lab has received funding through the College of Earth and Mineral Sciences and the Department of Geography at Pennsylvania State University.