International Union for Conservation of Nature (IUCN)

IUCN welcomes UN General Assembly affirmation of States’ obligations to protect the climate system

On Wednesday 20 May the United Nations General Assembly (UNGA) adopted a landmark resolution backing the findings of the ...
International Union for Conservation of Nature

IUCN SSC Canid Specialist Group

Geraldine Werhahn (Ph.D.) is a wildlife biologist and conservationist dedicated to every element of the natural world. Her special interest are carnivores and their function in maintaining healthy ...
International Union for Conservation of Nature

48th Antarctic Treaty Consultative Meeting

What is the Antarctic Treaty? The Antarctic Treaty, signed in Washington on 1 December 1959 by twelve nations active during the International Geophysical Year, established Antarctica as a zone ...
International Union for Conservation of Nature

Get involved

*2026-03-19: REQUEST FOR PROPOSALS - Technical Support to IUCN Med on Area-Based Conservation and CSO Conservation Action Prioritization. Closing date and time: 05 April 2026, 23:59 (CET) ...
International Union for Conservation of Nature

Gender and climate change

Across societies the impacts of climate change affect women and men differently. Women are often responsible for gathering and producing food, collecting water and sourcing fuel for heating and ...
International Union for Conservation of Nature

Plastic and other pollution

Every year, millions of tons of plastic end up in our ocean and rivers. However, plastics are only one type of pollution driving the decline in the health of our global ocean.
International Union for Conservation of Nature

Our Work in Asia

To deliver on our mission toward a just world that values and conserves nature, our work in Asia builds on IUCN's niche as the world's authority on biodiversity conservation, environmental governance, ...
International Union for Conservation of Nature

European Nature-based Solutions

Europe faces enormous challenges in the years to come. These challenges include adapting to climate change and enhancing our resilience to natural disasters, providing food to more than 500 million ...
International Union for Conservation of Nature

The plastic pollution crisis

Plastics only began to be produced in large quantities following the second world war – but plastic pollution has since become one of the most serious threats humanity faces. By 2015, 60% of all ...
International Union for Conservation of Nature

Migratory monarch butterfly now Endangered - IUCN Red List

The IUCN Red List now includes 147,517 species, of which 41,459 are threatened with extinction. “Today’s Red List update highlights the fragility of nature’s wonders, such as the unique spectacle of ...
International Union for Conservation of Nature

Management Effectiveness Tracking Tool (METT): New edition of the METT Handbook launched

Last year, one of the most well attended of IUCN’s Vital Sites webinars was on the revision and launch of a new version of the Management Effectiveness Tracking Tool (METT). First published in 2002, ...
International Union for Conservation of Nature

Comprehensive update to the world’s biodiversity hotspots project begins

An international consortium today announced a major update to the world's biodiversity hotspots, funded by the Hempel Foundation. The two-year initiative aims to generate detailed scientific data to ...