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

  • Chemical contamination and agriculture

    What are the potential sources of chemical contamination from agricultural activities?
  • Development of sustainable water supply and treatment systems for a coastal Fijian village

    Research Project
    This collaborative NZaid project worked with coastal Fijian villagers at Votua on the Coral Coast of Viti Levu to develop pragmatic water supply and waste treatment solutions to protect public health and reduce contamination of coastal waters.
  • Gisborne

    In comparison with regions exposed to the west, Gisborne experiences a greater number of weather and climatic extremes.
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    Summer Series 10: Super snapper! Delicious!

    News article
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    Tornadoes - how frequently do they hit New Zealand?

    News article
    Tornadoes, like the one that hit Auckland's western suburbs today, are relatively rare events in New Zealand.
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    National

    National climate maps
  • The process

    The process of coming to work with us has five steps: applying, a phone interview, a face to face interview, background checks, and an offer.
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    Snapper life cycle

  • Average soil moisture deficit onset and termination maps

    Maps of the average first and last dates of soil moisture deficit are shown here.
  • Air quality monitoring with low-cost sensors

    Service
    NIWA provides ambient air quality monitoring services using low-cost ODIN (Outdoor Dust Information Node) sensors.
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    Reports

    Reports produced by NIWA’s air quality research.
  • Clouds

    Education Resource
    Common questions about clouds, how they are formed and how they behave.