1 Department of Environmental Health, Harvard T H Chan School of Public Health, Boston, MA, USA smyers@hsph.harvard.edu.
2 Harvard University Center for the Environment, Cambridge, MA, USA.
3 Nitze School of Advanced International Studies, Berman Institute of Bioethics, Bloomberg School of Public Health, Johns Hopkins University, Washington DC, USA.
4 International Food Policy Research Institute, Washington DC, USA.
5 Department of Earth and Planetary Sciences, Harvard University, Cambridge, MA, USA.
6 Department of Environmental Health, Harvard T H Chan School of Public Health, Boston, MA, USA.
Projections of future food security require careful interpretation because they are often based on models that include only a subset of biophysical variables and have inherent uncertainties, caution Samuel Myers and colleagues