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

  • Mayfly Ecotoxicology laboratory Hamilton.

    Identification and e-guides

    Downloadable and printable guides on identification of common freshwater invertebrates found in New Zealand waterways and lakes.
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    Tuna - life cycle and leptocephalii

    Freshwater eels have an unusual life cycle which sees them travelling between the ocean, estuaries and freshwaters.
  • Storms and cyclones

    Education Resource
    Common questions about storms and cyclones in New Zealand.
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    Hawkes Bay

  • Support

    We have a range of exciting career pathways with our professional Support Service.
  • 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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    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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    NZ from Space - About

    AQUA and TERRA are polar orbiting satellites that both pass over New Zealand twice per day.
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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.
  • Canterbury

    All aspects of the climate of Canterbury are dominated by the influence of the Southern Alps on the prevailing westerly airflows.