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

  • Tonga volcano “afterglow” causes dazzling skies in Antarctica

    Media release
    Antarctica is experiencing stunning skyscapes like those recently seen in New Zealand, thanks to the afterglow effect from the Tongan volcano.
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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?”
  • Planning for coastal adaptation

    Service
    Coastal risk exposure for New Zealand, adaptation guidance for local government and relevant summaries of previous court cases and Building Act 2004 determinations.
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    NZ from Space - About

    AQUA and TERRA are polar orbiting satellites that both pass over New Zealand twice per day.
  • 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.
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    How deep is the snow at your place?

    Measurements of snowfall at low elevations around New Zealand are few and far between, and yet the data would be really helpful in understanding how snowfall occurs and quantifying snow-related risks.
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    Inanga

    Inanga are the predominant species in the modern whitebait fishery.
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    Impacts of wood processing

    Impacts of timber processing activities on water quality and mahinga kai.
  • Canterbury

    All aspects of the climate of Canterbury are dominated by the influence of the Southern Alps on the prevailing westerly airflows.
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    What is the chance of a warm summer in Invercargill?

    In this activity you will analyse the Southern Oscillation Index and investigate the chances of getting below normal, normal or above normal summer temperatures in Invercargill.