Every year the UNDP selects outstanding local and indigenous community initiatives for a sustainable development and awards the "Equator Prize":
http://www.revamping.equatorinitiative.org/

The importance of creating an international platform to protect the rights of Indigenous Peoples:
https://www.un.org/development/desa/undesavoice/feature/2018/04#39109

An important section regarding Indigenous Peoples on the UN website:
https://www.un.org/development/desa/indigenouspeoples/