[20120618]R42573_里约会议20周年：联合国可持续发展会议2012年6月.pdf

CRS Report for CongressPrepared for Members and Committees of Congress Rio+20: The United Nations Conference on Sustainable Development, June 2012 (name redacted) Specialist in Energy and Environmental Policy (name redacted) Specialist in Natural Resources Policy June 18, 2012 Congressional Research Service 7-. www.crs.gov R42573