The sea level is rising twice as fast as previously thought in many parts of New Zealand - and this is the best case scenario.
The new data comes from NZ SeaRise, a programme made up dozens of local and international scientists - and their projections have alarm bells ringing.
Prime Minister Jacinda Ardern told Susie Ferguson planning is already underway on how areas at risk of sea level rise can adapt, and this will further inform that action.
