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Who we are

A powerful Union

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 15,000 experts, IUCN is the global authority on the status of the natural world and the measures needed to safeguard it.

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Our Members

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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.

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The latest from our members

IUCN Secretariat

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

IUCN expert Commissions

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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Learn more about our work
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Marsielle, France
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June 10-15, 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.

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Our RESULTS

Driving policy and action for people and planet

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142,577

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