So what would a managed retreat from rising sea levels look like? Lynn Grieveson takes a look at how the Dunedin City Council is trying to avoid the mistakes of Kapiti Coast and Christchurch by educating residents in the former marshland of South Dunedin about the risks of rising sea levels, and by proposing to make new homes relocatable.

Record high net migration is shaping up as the hottest topic in this year's election debate, but there are no easy ways to significantly cut the inflow, despite what some are suggesting. Shane Cowlishaw takes a deeper look at the details and figures underpinning that debate.