Changement climatique

L'UICN aborde la question depuis plusieurs perspectives: de l'évaluation des risques posés par les changements climatiques, aux solutions pratiques, basées sur la nature et centrées sur une meilleure conservation, gestion et restauration des écosystèmes naturels.

Accueil

Vous trouverez plus d'information sur ce thème dans les pages du site en anglais.

Actualités

  • Lago di Fusini, Italy Photo: ©Shutterstock/Yevhenii Chulovskyi

    Nature-based Solutions for Water Infrastructure at your service

    25.03.2020

    'Natural water infrastructure' is not built infrastructure. Instead, it is shaped, grown, eroded or deposited by nature over time. It refers to services nature provides for free, such as mangroves protecting shorelines from storms, peatlands sequestering...

  • Woman examines leaf with clipboard Photo: (c) Vystek Images Shutterstock

    IUCN Acting Director General’s Statement on International Women’s Day 2020

    06.03.2020

    Nature conservation and women’s rights are inextricably linked. As we face an escalating biodiversity crisis, we need women as equal, active players in conservation more than ever. What is more, environmental degradation is actually exacerbating violence...

  • a blue marlin Photo: Photo by Waterframe, Alamy Stock Photos

    Marine life, fisheries increasingly threatened as the ocean loses oxygen – IUCN report

    07.12.2019

    Madrid, Spain, 07.12.2019 (IUCN) - The loss of oxygen from the world’s ocean is increasingly threatening fish species and disrupting ecosystems, a new IUCN report warns. Ocean oxygen loss, driven by climate change and nutrient pollution, is a...

Publications

Lectures rapides

Destiné aux décideurs politiques et aux journalistes, les dossiers thématiques de l'UICN fournissent des informations clés sur des thématiques au cœur du travail de l’UICN en deux pages (en anglais uniquement).

Deoxygenation Photo: IUCN

Ocean deoxygenation

Globally, oceans have lost around 2% of dissolved oxygen since the 1950s and are expected to lose about 3–4% by the year 2100 under a business-as-usual scenario (Representative Concentration Pathway...
Species and climate change Photo: IUCN

Species and Climate Change

Mean global temperatures have risen ~1ºC since pre-industrial times as a result of human activities. In addition to increasing global temperatures, the impacts of climate change include extreme...
Photo: IUCN

Drylands and Climate Change

Drylands are ecosystems, such as rangelands, grasslands and woodlands, which occupy over 40% of the terrestrial surface, and are characterised by high temporal and spatial rainfall variability....
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