Global Policy

SDG 13

IUCN's SDG brochure image - SDG13

Ecosystems play a critical role in regulating the world’s climate through their function as ‘natural carbon sinks’. Healthy ecosystems also help vulnerable communities adapt to the adverse effects of climate change and offer protection against climate-related disasters. 

IUCN assesses the risks that species and ecosystems face from climate change, and develops conservation responses to these. It also advances practical ‘nature-based solutions’ to tackling climate change based on the effective conservation, management and restoration of the world’s ecosystems. IUCN’s work in this area aims to benefit humans and ecosystems alike, taking into account the needs of the most vulnerable, including women and indigenous peoples.


  • conducts research and analysis of the impacts of climate change on vulnerable species and ecosystems, and assesses the potential of nature-based solutions to address climate change;
  • implements and supports projects, including global initiatives such as the Bonn Challenge, to conserve, restore and sustainably manage natural ecosystems as a way to effectively mitigate and adapt to climate change, while providing a range of other co-benefits;
  • advises governments, businesses and other stakeholders, including in the UNFCCC negotiations, to ensure that biodiversity and nature-based solutions are integrated into national, regional and global climate policies and actions.
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