Seven health professional organisations (OraTaiao, the College of Nurses Aotearoa, New Zealand Nurses Organisation, New Zealand Medical Association, Australasian College for Emergency Medicine, The Royal Australasian College of Physicians, and New Zealand Society of Anaesthetists) have written a joint letter to Prime Minister Ardern and the Climate Change Minister ahead of the United Nations Climate Change Conference COP26, calling for a huge increase in Aotearoa’s international climate contribution, and asking to keep the capacity to limit global warming within a humanly adaptable 1.5 degrees.