Home Our Union Member Organisations Members Directory World Wildlife Fund - US Share: IUCN MEMBER World Wildlife Fund - US Member website Member at a glance Member name: World Wildlife Fund - US Acronym: WWF - US Membership category: National NGO Member since: Jan, 1976 Website: Member website Member profile and contacts (available to Members only): Member profile Operational region: North America Statutory region: North America and the Caribbean Statutory state: United States of America Learn more about IUCN Members Overview See all Members Become an IUCN Member