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

  • Royal albatross

    Healthy Oceans Flagship

    Understanding the future of marine ecosystems in a changing environment, for sustainable fisheries and marine ecosystem health.
  • Poor Knights Islands with kelp and diver

    Future Oceans Flagship

    Understanding ocean change and its role driving New Zealand and Pacific climate, to enable effective responses to climate change.
  • Lake Heron

    Healthy Freshwater Flagship

    Understanding the future of freshwater ecosystems in a changing environment, for improved ecosystem health and water quality.
  • Irrigation

    Future Freshwater Flagship

    Predicting New Zealand’s future water flows for better water management and planning to support water security.
  • Dr Penny Smale and Mike Kotkamp prepare an ozonesonde balloon at Lauder

    Changing Atmosphere Flagship

    Documenting our changing atmosphere to calibrate satellite earth observations and for better greenhouse gas mitigation.
  • Wellington from Brooklyn Hill

    Future Climate Flagship

    Better predictions of climate and climate impacts from weeks to decades enabling New Zealand and the Pacific to thrive and prosper under a changing climate.
  • Floating University

    Floating University

    A platform for early-career scientists from Pacific island nations to explore the key issues affecting their communities
  • Takahe Valley weather station

    Weather and climate experts set to unite

    News article
    Weather and climate experts set to unite - Ministers' announcement.
  • NIWA's underwater camera, Swathcam

    NIWA’s new underwater camera provides the big picture

    News article
    The ability for scientists to see what’s on the sea floor just got a whole lot brighter with the invention of a multiple underwater camera system and some ingenious thinking at NIWA.
  • Mountains to the sea - Rangitata River - H Biggs

    Science sector reforms

    Recent updates to the science sector reforms that affect NIWA.
  • Flooding from underneath: New tool reveals shallow groundwater elevations

    Media release
    A new online tool that identifies areas at risk from groundwater flooding has been developed by New Zealand scientists.
  • Roto turf

    Extreme Lakeover: NIWA’s Guide to Rolling Back Life into New Zealand Lake

    Publication article
    A team of NIWA freshwater ecologists have completed their research on the use of biodegradable plant mats as life rafts to help reintroduce native aquatic plants to degraded freshwater lakes.