International Union for Conservation of Nature (IUCN)

IUCN, International Union for Conservation of Nature, helps the world find pragmatic solutions to the most pressing environment and development challenges by supporting scientific research; managing field projects all over the world; and bringing governments, non-governmental organizations (NGOs), the United Nations, international conventions and companies together to develop policy, laws and best practice. Headquartered in Switzerland, IUCN is among the world's oldest and largest global environmental organizations, with 1,200 government and NGO members, 11,000 volunteer experts in 160 countries, and 1,000 staff in 45 offices and partners worldwide.