International Union for Conservation of Nature

[ in-ter-nash-uh-nl yoon-yuhn fer kon-ser-vey-shuhnuhv ney-cher ]

noun
  1. an international organization dedicated to research and analysis in the field of nature conservation: known as the world’s leading authority on the conservation status of plant and animal species and for its compilation of the IUCN Red List. Abbreviation: IUCN

Origin of International Union for Conservation of Nature

1
First recorded in 1945–50

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