“This report demonstrates the connection between climate change, human rights and migration, and the important guidance international human rights law offers in addressing it. This report builds on that past research and analysis, incorporating the results of visits throughout 2021 and 2022 to three selected communities in Mauritania, Niger and Nigeria that have been affected by climate change-related migration, as well as consultations with relevant stakeholders throughout the Sahel region.”

https://www.ohchr.org/en/documents/reports/advancing-rights-based-approach-climate-change-resilience-and-migration-sahel