Resources, Environment and Economics Center for Studies Inc. (REECS) is a Philippine-based think-tank in environmental and resource economics providing expertise in the conduct of interdisciplinary research, economic analysis, policy study, resource planning and management, project planning and implementation, technical assistance, training programs and consultancy services. REECS has significant experience in the field of environmental service payments and advocates the institutionalization of a system that will pay the providers of environmental services for their stewardship activities. REECS is a Katoomba Group member.