Consulting2021-2022, "Report on Greening the Post-Pandemic Recovery in Europe and Central Asia", Office of the Chief Economist, Europe and Central Asia, The World Bank, Washington, D.C.
2021, co-authored with Joanne C. Burgess, Economics of Peatlands Conservation, Restoration, and Sustainable Management - A Policy Report for the Global Peatlands Initiative. Global Peatlands Initiative and United Nations Environment Programme, Nairobi. https://www.unep.org/resources/report/economics-peatlands-conservation-restoration-and-sustainable-management
2020. "Building a Greener Recovery: Lessons from the Great Recession." A Report for the Economy Division, United Nations Environment Programme, Geneva, Switzerland.
2016-2017. "Reconciling Inclusive Wealth and Piketty: Natural Capital and Wealth in the 21st Century", Chapter for 2017 Inclusive Wealth Report, United Nations Environment Programme (UNEP), Nairobi and the Urban Institute, Kyushu University, Fukuoka, Japan.
2014-2015. "Climate Change Impacts on Poverty in Coastal Ecosystems". Background Paper, Climate Change and Poverty Report Shock Waves: Managing the Impacts of Climate Change on Poverty, The World Bank, Washington, D.C., 2016.
April-August 2014. "Challenges to Ecosystem Service Valuation for Wealth Accounting", Chapter for 2014 Inclusive Wealth Report, United Nations University International Human Dimensions Programme on Global Environmental Change (IHDP) and United Nations Environment Programme (UNEP), Bonn, Germany.
2013-2014, co-authored with Jacob P. Hochard, "Land Degradation, Less Favored Lands and the Rural Poor: A Spatial and Economic Analysis." A Report for the Economics of Land Degradation Initiative, Bonn, Germany. Available at www.eld-initiative.org
January-April 2013. "A Report on Water and Green Growth with a Focus on Biodiversity and Water Inter-Linkages", Organization for Economic Cooperation and Development (OECD), Paris, France.
September 2012. "External Review of Chapter 3 of the African Development Report (ADR) 2012." African Development Bank, Tunis, Tunisia.
July-September 2012. Research and preparation of a paper, co-authored with A. Chaudhry, "Urban Growth and Water", for presentation at the technical workshop, "The Importance of Water to the U.S. Economy: Environmental Protection Agency Office of Water, Washington, D.C., September 19, 2012
2011-2012. "Natural Capital, Ecological Scarcity and Rural Poverty", paper for the Green Growth Knowledge Platform Inaugural Conference, Mexico City, Mexico, and for the Green Development Program, DECRG: Environment & Energy, The World Bank, Washington DC.
2011-2012. "Ecosystem Services and Wealth Accounting", Chapter for 2012 Inclusive Wealth Report, United Nations University International Human Dimensions Programme on Global Environmental Change (IHDP) and United Nations Environment Programme (UNEP), Bonn, Germany.
2011. Contributor, United Nations Environment Programme (UNEP). Towards a Green Economy: Pathways to Sustainability and Poverty Eradication, www.unep.org/greeneconomy on behalf of the Green Economy Initiative and the Division of Technology, Industry and Economics, UNEP, 2010-2011, Geneva, Switzerland.
2010-2011. "Linking green stimulus, energy efficiency and technological innovation: The need for complementary policies." Paper prepared for the European Commission DG 1 (External Relations) Project, "Transatlantic Opportunities for Meeting Global Challenges in Energy Efficiency and Low Carbon Technologies", Brussels, Belgium.
2008-2009. "A Global Green New Deal", Report prepared for the Governing Council of the United Nations Environment Programme (UNEP) on behalf of the Green Economy Initiative and the Division of Technology, Industry and Economics, UNEP, Geneva, Switzerland.
2002-2003. Consultant, BioEcon Project, Environment Department, University of York, UK.
2001-2002. Peer Reviewer, Mexico Environmental Degradation and Poverty Study, The World Bank, Washington, D.C.