PESE is an initiative developed by the World Resources Institute (WRI), in partnership with the Getúlio Vargas Foundation (FGV) and the Brazilian Business Council for Sustainable Development (CEBDS), with support from the USAID (United States Agency for International Development) to assist in developing business strategies related to improving the management of natural resources and biodiversity from the application of the Ecosystem Services Review (ESR) methodology developed by WRI.