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IUCN: The International Union for the Conservation of Nature and Natural Resources

The International Union for the Conservation of Nature and Natural Resources (IUCN), now known as The World Conservation Union, was established in 1948 as the first international organization concerned with conservation around the world. In October of that year, the International Union for the Protection of Nature (or IUPN) was founded following an international conference in Fontainebleau, France. In 1956 the organization changed its name to the International Union for Conservation of Nature and Natural Resources. Finally, use of the name “World Conservation Union” began in 1990, but the full name and the acronym are often used together, as many people still know the Union as IUCN.