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

  • Coconut palms against the night sky in Tongatapu

    Island Climate Update

    Publication series
    A monthly summary of the climate in the tropical South Pacific islands, with an outlook for the coming months.
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    Overview of SHMAK

    An overview of what the SHMAK kit comprises, and various uses for it.
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    Submerged macrophytes

    Find out more about submerged aquatic plant species.
  • NIWA Instrument Systems

    Instrument Systems is a specialised technology-focused consulting group within NIWA.
  • Chemical contamination and mining

    What are the potential sources of chemical contamination from mining activities?
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    Mountains in the Sea: the Louisville Seamount Chain

    We are currently steaming out towards our survey area, the Louisville Seamount Chain, which is about 1500 km from Wellington.
  • Manawatu-Wanganui

    The climate of the Manawatu-Wanganui region is a reflection of the generally disturbed westerly air flow with interspersed anticyclones, modified in specific places by the local topography.
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    What are whitebait?

    Whitebait are the juveniles of five species of galaxiidae, a family of fish confined to the Southern Hemisphere.
  • Chemical contamination

    Chemical contaminants are chemicals toxic to plants and animals in waterways.
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    Tuna - freshwater eels in New Zealand

    Tuna is a generic Māori word for freshwater eels. The word will be used interchangeably in this resource.
  • Biogas from pig farms

    Research Project
    Biogas from pig farms