On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

Our Award Work Runner Up: Algae. Credit: Crispin Middleton

Our Award Work Runner Up: Algae. Credit: Crispin Middleton.The alga Macrocystis pyrifera, otherwise known as Giant kelp or Giant bladder kelp, which uses bladders to buoy itself up. The photo was taken during a harbour survey at Stewart Island.