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

  • Storms and cyclones

    Education Resource
    Common questions about storms and cyclones in New Zealand.
  • Statement of Corporate Intent

    This Statement of Corporate Intent (SCI) sets out NIWA's strategy for delivering against its core purpose over the next five years.
  • Tuna information resource

    Tuna, or freshwater eels, are the most widespread freshwater fish in New Zealand. This 'living' educational resource summarises a large amount of scientific and technical literature.
  • Coming from overseas?

    If you're moving to join us here at NIWA, we want to say thanks for choosing us by helping you with your big move.
  • Sea-level rise

    Education Resource
    One of the major consequences of climate change is rising global sea levels.
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    Horticultural activities

    Land is tilled, sowed, and harvested for horticultural crops to grow.
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    Impacts

    Diverting water changes a waterways natural flow
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    How cold is the Antarctic?

    Write a report, with guided questions, to answer the question: “How cold is the Antarctic?”
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    Tuna aquaculture - New Zealand

    New Zealand's first eel farm was established in 1971. Despite other farms opening in later years, no eel farms remained by the start of the 1980s.
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    13 Beach types

    Learn about different kinds of beachs and how they form, with diagrams and examples of each type.
  • NZ's warmest and wettest winter on record

    Media release
    NIWA’s climate scientists can now confirm what you may have suspected. After carefully poring through more than a century’s worth of data, it has been officially determined that winter 2022 was Aotearoa New Zealand’s warmest and wettest on record.