The World Congress on Justice, Governance and Law for Environmental Sustainability was held in Brazil, from 17-20 June 2012, with the aim to contribute to the support of Chief Justices, Attorneys General, Auditors Generals and other legal experts to the achievement of sustainable development and to provide inputs to the United Nations Conference on Sustainable Development Rio +20. The meeting, held at the Portobello Resort in Mangaratiba, and at the Supreme Court of the State of Rio de Janeiro, was hosted by the UN Environment Programme (UNEP), the Association of Judges of the State of Rio de Janeiro (AMAERJ), the Getulio Vargas Foundation (FGV) and the Public Ministry of the State of Rio de Janeiro. Partners in organizing the event included the Asian Development Bank (ADB), the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), International Organisation of Supreme Audit Institutions (INTOSAI), the Organization of American States (OAS), the Secretariat of the Pacific Regional Environment Programme (SPREP), the World Bank, the International Network for Environmental Compliance and Enforcement (INECE) and the International Union for Conservation of Nature (IUCN).