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United for Life & Livelihoods

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The International Union for Conservation of Nature (IUCN) is a membership Union uniquely composed of both government and civil society organisations. By harnessing the experience, resources and reach of its more than 1,400 Member organisations and the input of some 16,000 experts, IUCN is the global authority on the status of the natural world and the measures needed to safeguard it.

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Story 13 Jan, 2025

The International Union for Conservation of Nature (IUCN) is joining forces with a leading Chinese institute to cooperate on research on renewable energy, including how to speed the transition away…

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Press release 13 Dec, 2024

The arguments came during landmark legal proceedings that could clarify what responsibilities States have in fighting climate change – and the consequences they could face for failing to do so.

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IUCN Statement 14 Dec, 2024

UNCCD COP16 has put the spotlight on land degradation and desertification. This momentum now needs to be turned into effective, coordinated action around the world.

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Press release 08 Jan, 2025

Gland, Switzerland, 8 January 2025 (IUCN) – The largest global assessment of freshwater animals on the IUCN Red List of Threatened Species™ to date has revealed that 24% of the world’s freshwater…

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IUCN Members include national and subnational governments and government agencies as well as non-governmental and indigenous peoples’ organisations from over 160 countries.

The latest from our members

Hundreds of committed staff in more than 60 countries provide data, analysis and convening support to Members, and implement direct conservation action.

IUCN Commissions are networks of scientists and experts providing IUCN and its Members with technical and policy advice to drive conservation and sustainable development.

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What we do

Our knowledge and tools are based on the most up-to-date science. They enable society, economies and nature to thrive together.

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Marseille, France

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3-11 September, 2021

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The IUCN World Conservation Congress is where the world comes together to set priorities and drive conservation and sustainable development action. More than 9,000 people participated in the 2021 Congress in Marseille. Experts shared the latest science and best practice, and IUCN Members voted on 39 motions to guide humanity’s relationship with our planet for the decades ahead.

Driving policy and action for people and planet

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166,061

species

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assessed on the
IUCN Red List of Threatened SpeciesTM

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210+

million hectares

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pledged for restoration under the Bonn Challenge

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1,466

resolutions

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and recommendations passed at IUCN assemblies since 1948

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3,500+

reports

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published by IUCN

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600+

sites

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in 60 countries with or working towards certification on the IUCN Green List of Protected and Conserved Areas

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Our history

75 years of vision and impact

Shortly after the Second World War, IUCN’s founders came together under the shared belief that no single government or organisation can address the challenges facing our planet alone. Each of the seven and a half decades since has reinforced the truth of that belief, and proved the value of a global Union dedicated to solving the issues facing humanity and its relationship with nature, on which humanity depends.

Learn more about our history