19. International Union for the Conservation of Nature (IUCN)

The IUCN is an environmental network made up of over 1,000 members including states, government agencies, and national and international non-governmental organizations (NGOs) as well as some 10,000 individual scientists and other experts structured in six commissions whose headquarters are in Gland, Switzerland. The priorities and work of the IUCN are set by member organizations every four years and subsequently co-ordinated by a professional secretariat with 1,000 staff in forty-five countries. The mission of the IUCN Environmental Law Programme (ELP) is to advance environmental law through the development of legal concepts and instruments and to facilitate the use of environmental law as a tool to influence,…