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.

  • Calculated risk

    Feature story
    Imagine if you could foresee what would happen to your home in a severe flood or tsunami, and then work out how to prevent or reduce the impact before any such event occurred.
  • Dairy turns the corner

    Feature story
    NIWA's Freshwater and Estuaries Chief Scientist Dr John Quinn believes the dairy industry has been responsive in the tools it has adopted to reduce its impact on waterways.
  • New Zealand joins global seabed mapping initiative

    News article
    New Zealand joins global seabed mapping initiative
  • NIWA invests $18 million  in New Zealand’s future

    Media release
    NIWA is placing the future of New Zealanders at the heart of its operation by investing in new supercomputers that will significantly enhance scientists’ abilities to solve crucial issues facing the country.
  • Scientists eavesdrop on endangered dolphins

    News article
    The critically endangered Māui dolphin is getting a helping hand from scientists this month who are beginning a year-long research project to listen in on them.
  • NOAA Satellite data

    Like the GMS satellite, the NOAA Series of polar orbiting satellites (operated by NOAA, the US National Oceanic and Atmospheric Administration) are a component of the World Weather Watch meteorological satellite network.
  • Stepping into the river

    Feature story
    NIWA discusses, in depth, this year's most asked question—what is happening to our fresh waterways?
  • Determining the age of fish

    Research Project
    NIWA expends considerable effort on determining the age of commercial fish species. But why age a fish? And how do we do it?
  • Annual

    Publication series
    Annual Climate Summaries from 2000 to present.
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    Map Sw North

    Education Resource
    Because of its exposure to disturbed weather systems from the Tasman Sea, this climate zone is often quite windy, but has few climate extremes.
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    Population modelling software

    Casal2 is an advanced software package developed by NIWA for modelling the population dynamics of marine species.