Many experts have concluded that, if greenhouse gas concentrations are to be limited while the world's energy demands are nonetheless met, biomass energy will be an indispensable resource. At the same time, climate change is expected to affect agricultural productivity adverselyand 15 percent of people in developing countries, according to the UN's Food and Agriculture Organization, already suffer from extreme food insecurity. Authors from three countriesJose R. Moreira of Brazil (2014), Roberto Bissio of Uruguay (2014), and Ethan B. Davis and Tom L. Richard of the United Statesexplore how the potential climate mitigation benefits of devoting arable land to the production of biomass energy can be achieved without further undermining food security in the developing world.