Education
He has a Doctor of Philosophy in atmospheric physics from the University of Canterbury.
He has a Doctor of Philosophy in atmospheric physics from the University of Canterbury.
He has worked in the United States of America and Australia as well as New Zealand. His expertise includes climate and meteorology, climate change science and impacts, mountain meteorology, and air quality. He is a Companion of the Royal Society of New Zealand.
He chairs the Climate Committee of the Royal Society of New Zealand.
He was a Coordinating Lead Author of the "Australia and New Zealand" chapter of the IPCC Third Assessment Report of the Intergovernmental Panel on Climate Change. After gaining a Doctor of Philosophy in atmospheric physics from the University of Canterbury and a post-doctoral fellowship at the University of Illinois, he worked for the New Zealand Meteorological Service.
In 1992 he and other climate researchers transferred to NIWA. Wratt has stated:.
He is a member of the Bureau of the Intergovernmental Panel on Climate Change (IPCC) and he is a Vice-Chair of IPCC Working Group 1, which assesses the physical science of climate change.