IUCN CPSG is a membership Union of government and civil society organizations dedicated to promoting sustainable development and conservation of nature. With over 1,400 member organizations and 15,000 experts from around the world, IUCN harnesses their knowledge, resources, and reach to become the global authority on the status of the natural world. For over 70 years, IUCN has produced authoritative reports, standards, guidelines, and tools.

Through its broad membership, IUCN serves as a trusted repository of best practices and international standards, incubating ideas and providing a neutral space for collaboration among governments, NGOs, scientists, businesses, local communities, and indigenous peoples' organizations. IUCN works on impactful projects worldwide, combining the latest science with traditional knowledge to reverse habitat loss, restore ecosystems, and improve people's well-being. Its members, expert commissions, and secretariat collaborate to conserve nature and accelerate the transition to sustainable development.

Join IUCN CPSG in their mission to create a just world that values and conserves nature