This Friday, the Intergovernmental Panel on Climate Change (IPCC) will release a report on the science of climate change, which is part of the IPCC's Fourth Assessment Report and will be followed by further reports on climate change impacts and mitigation options. Veronika Meduna talks to Jim Renwick and Dave Lowe, both climate scientists at the National Institute of Water and Atmospheric Research and contributing authors to the IPCC. A summary of the report will be available at from 9.30pm on Friday.

Veronika also joins a group of geologists, led by David Nobes from the University of Canterbury, who study the polygonal patterns that form on the surfaces throughout Antarctica's Dry Valleys.


Dean Williams meets Landcare Research's John Parkes, who looks back at his 30-year-career in pest management.


Doug Sellman, professor of psychiatry at the University of Otago's Christchurch School of Medicine and Health Sciences and director of the National Addiction Centre talks to Louise Wallace about surprising genetic clues associated with addictive tendencies.

Our Changing World broadcasts every Thursday evening after the 9pm news, featuring the latest in science, environment and health. A mix of in depth interviews, packages and sound rich features, Our Changing World will cover topics across all scientific disciplines, natural history and environmental issues, and developments in health as well as exploring the human side of science and the personalities behind it.