Nigel Crawhall Chief of Section, SII About IPBES Roles Groups Affiliation: UNESCO About Chief of Section for Small Islands and Indigenous Knowledge at UNESCO. Head of the TSU on Indigenous and Local Knowledge. Background on indigenous peoples, local communities, biodiversity and protected areas. Expertise Human ecology and cultural ecology Indigenous and local knowledge Policy making Displaying 1 - 1 of 1 Indigenous and Local Knowledge 2-Technical support unit