He is a resource person of PEN and has done research on rural livelihoods in Tanzania, Ghana and Nepal. Carsten Smith-Hall is a Professor at Forest & Landscape Denmark at the University of Copenhagen. He has directed several international collaborative research and educational programmes and published results in both natural and social science journals. Sven Wunder is Principal Economist with the Center for International Forestry Research, Rio de Janeiro, Brazil, where he has worked for the last 10 years. He is author of numerous books, articles and chapters on payments for environmental services, tropical deforestation, and is a co-founder of PEN.Related SubjectsSustainable DevelopmentEnvironmental EconomicsEconomicsForestryEnvironment & Economics