Table 1 List of organizations and databases to be searched

Poverty and Conservation Learning Group

http://povertyandconservation.info/

International Impact Initiative (3ie)

http://www.3ie.org

Collaboration for Environmental Evidence

http://www.environmentalevidence.org

J-Poverty Action Lab

http://www.povertyactionlab.org

World Bank Development Impact Evaluation Initiative (DIME)

http://microdata.worldbank.org/index.php/catalog/impact_evaluation

DAI Evidence on Demand

http://www.evidenceondemand.info

International Food Policy Research Institute Library (IFPRI)

http://library.ifpri.info/

Center for International Forestry Research (CIFOR)

http://www.cifor.org

Ecosystem Services for Poverty Alleviation (ESPA)

http://www.espa.ac.uk/results/publications

Centre for Environmental Economics and Policy in Africa (CEEPA)

http://www.ceepa.co.za

Latin American and Caribbean Environmental Economics Program (LACEEP)

http://www.laceep.org

Economy and Environment Program for Southeast Asia (EEPSEA)

http://www.eepsea.org

South Asian Network for Development and Environmental Economics (SANDEE)

http://www.sandeeonline.org

World Agroforestry Center (ICRAF)

http://www.worldagroforestry.org

International Tropical Timber Organization (ITTO)

http://www.itto.int