Climate change will reduce food security in agricultural regions of the developing world such as the Andes (Loeb et al Science 2008,319,607-610; Brown and Funk, Science 2008,319,580-581). The rural populations of the Altiplano of Peru and Bolivia are particularly vulnerable as they produce in a risky environment, relying mostly on local safety nets and institutions. This is exacerbated by lack of government resources and infrastructure to respond to their conditions. Climate changes are being

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... rceived in the Altiplano. Local knowledge observations are explained by observed trends. Projections show increases in variability and shifts in the distributions of temperature and precipitation, creating an environment of uncertainty for decision makers.