IUCN The International Union for Conservation of Nature is the world's oldest and largest global environmental organization. The Commission on Environmental Law (CEL) is one of the 7 IUCN Commissions and a network of environmental law and policy experts from all regions of the world who volunteer their knowledge and services to IUCN activities, especially to those of the IUCN Law Programme. CEL functions as an integral part of the IUCN Environmental Law Programme, which includes the Commission and the Environmental Law Centre.

Website: http://www.iucn.org/about/union/commissions/cel