1 Introduction, Part I- Overview; 2 Social forestry and development; 3 Soil erosion on cultivated steeplands of the Humid Tropics and Subtropics; 4 What are the soil and water benefits of planting trees in developing country watersheds; 5 Renewable energy projects in developing countries: Contributing to success and failure, Part II- Social science analysis; 6 Economic analysis of renewable resource conservation in the third world; 7 The social dimension of natural resource management; 8 The economics of biological biodiversity: Apologetics or Theory. Part III- Case studies; 9 Evolutionary conservation project planning and implementation: NARMA in the Dominican Republic; 10 Environmental management Education: A model for sustainable natural resources development; 11 Implementing the world conservation strategy: Success stories from central America and Colombia; 12 The strategy of decentralized production and distribution of improved charcoal stoves in Kenya; 13 Sustainable development of natural resources I the third world: the human equation; 14 Postscript.