Tropical forests are disappearing rapidly with potentially high social costs in biodiversity loss and carbon emissions. While agriculture is critical to the long-term solution of sustainable livelihood and food security in the humid tropics, it is only part of the story. To take pressure off...

Meeting food and livelihood security needs in developing countries will require the conservation and enhancement of natural resources that contribute to agricultural production. Chief among the resources to be sustainably managed are soils and forests. Once forests fall, what land-use patterns...