Lisa Tumahai (Ngāi Tahu, Ngāti Waewae, Makaawhio) is kaiwhakahaere/chairperson of Te Rūnanga o Ngāi Tahu. She is also deputy chair for the Climate Change Commission for New Zealand.
Why has Ngāi Tahu taken the Crown to court over freshwater? Join Lisa Tumahai, Dr Te Maire Tau and Dr Mike Joy for an in-depth discussion of Ngāi Tahu's legal action, and the history, tikanga and science of the Wai in Te Waipounamu. Journalist Mike McRoberts in the chair.