Uniunea Internațională pentru Conservarea Naturii (IUCN) is a global organization dedicated to the conservation of nature and the sustainable use of natural resources. Founded in 1948, it brings together governments, NGOs, scientists, and experts to address environmental challenges and promote biodiversity. IUCN is known for its Cărțile Roșii, which assess the conservation status of species worldwide. The organization also works on various initiatives, including protected area management and climate change adaptation, aiming to influence policy and promote sustainable practices across different sectors.