Agroforestry projects have the potential to help mitigate global warming by acting as sinks for greenhouse gasses. However, participation in carbon-sink projects may be constrained by high costs. This problem may be particularly severe for projects involving smallholders in developing countries....

Agroforestry projects have the potential to help mitigate global warming by acting as sinks for greenhouse gasses. However, participation in carbon-sink projects may be constrained by high costs. This problem may be particularly severe for projects involving smallholders in developing countries....

A long series of ethnographic and sociological studies on kinship systems and information flows in developing societies has portrayed networks as varying structurally, serving multiple functions, and expressing themselves in different types of interaction. Little of this earlier work has...