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

Gender equality

Gender equality is a human right - a prerequisite for sustainable development and achieving IUCN’s mission. IUCN is committed to advancing gender equality, including through women’s empowerment, as a ...
International Union for Conservation of Nature

Red List of Ecosystems Inventory

What is the Red List of Ecosystems Inventory? The IUCN Red List of Ecosystems (RLE) Inventory provides a comprehensive, and publicly available service, cataloguing ecosystem assessments from around ...
International Union for Conservation of Nature

Invasive alien species and climate change

• Invasive alien species (IAS) are animals, plants, or other organisms that are introduced into places outside of their natural range, negatively impacting native biodiversity and in some cases ...
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

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

Emperor penguin and Antarctic fur seal now Endangered due to climate change – IUCN Red List

Gland, Switzerland, 9 April 2026 (IUCN) – The emperor penguin and Antarctic fur seal are now both Endangered, according to The IUCN Red List of Threatened Species™. Climate change in Antarctica is ...
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

New IUCN report sets out guidelines for best conserving rhinos in Africa

Conservation efforts have led to overall increases in the number of rhinos in Africa in recent years, but the continent’s rapidly growing human population – and the consequent loss of ecosystems – ...
International Union for Conservation of Nature

In the spirit of nature, everything is connected

Earth’s ecosystems have evolved for millions of years, resulting in diverse and complex biological communities living in balance with their environment. Since the 16th century, human activity has ...
International Union for Conservation of Nature

IUCN Red List reveals world’s mammals in crisis

Barcelona, Spain, 6 October, 2008 (IUCN) – The most comprehensive assessment of the world’s mammals has confirmed an extinction crisis, with almost one in four at risk of disappearing forever, ...