Eloise Gibson is Newsroom's environment and science editor. She's written for the New Zealand Herald, Stuff.co.nz, The Listener, and BBC Future.com. Twitter: @eloise_gibson. This article was first published December 12, 2017. We know the seas are rising, yet we’re still building large developments within a few metres of present-day sea levels. The tough decisions faced by one coastal council illustrate the struggles going on around New Zealand, report Eloise Gibson and Cass Mason.