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

Atmospheric analysis

NIWA has been using advanced scientific instruments to measure atmospheric trace gases and isotopes for over 50 years.

  • Waihi estuary

    Rivers to Sea Flagship

    Understanding catchment to sea connections and estuarine processes to ensure a healthy coastal marine environment and effective carbon sequestration in a changing climate.
  • Marine biosecurity survey

    Aquatic Biosecurity Flagship

    Protecting New Zealand’s freshwater and marine environments from pests and diseases now and in future.
  • Wellington South Coast

    Hazards Flagship

    Improved hazard and risk information and forecasts to enhance the resilience of New Zealand communities.
  • 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.