Dave Lowe, NZ atmospheric scientist, began a pivotal record of atmospheric CO2 at Baring Head in 1970. His times of elation and despair are told in story form in his recently published memoir The Alarmist: Fifty Years Measuring Climate Change.
For decades we've talked about climate change as an imminent threat. How are people responding to rising temperatures right now? Kim Hill speaks with journalist Tom Doig, writer and indigenous and disability activist Kera Sherwood-O'Regan, and veteran scientist Dave Lowe.