3News: One-in-100-year floods like those which recently submerged parts of Christchurch could be an annual event by the end of this century, scientists are warning.
The UN Intergovernmental Panel on Climate Change (IPCC) will release a report this afternoon that outlines the increasing effects of rising temperatures on New Zealand's agricultural industry and coastal communities.
Last year's report showed that the concentration of carbon dioxide and other greenhouse gases had increased to levels unprecedented...