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.

  • 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.
  • Wave action

    Feature story
    New Zealand’s coast is sculpted by ocean waves. Some wave conditions bring joy to surfers and beachgoers, but, at other times, waves can cause major hazards at sea or along the shore.
  • 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.
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    Tornadoes in New Zealand - FAQs

    Education Resource
    Some commonly-asked questions about tornadoes in New Zealand.
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    Mussels: more, fresher, better

    Feature story
    The seafood counter at your local supermarket has changed.
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    Estimated bycatch

    View data that show reported target catch and estimated bycatch.
  • SolarView help

    This calculator estimates the solar energy that can be collected by a solar capture device (solar panel) at a given address, panel direction and roof slope.