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

  • Raglan A, Cam-era monitoring site

    Raglan A

    This web camera is available thanks to the support of Waikato Regional Council.
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    Obtaining climate data from NIWA

    NIWA maintains the national climate database for New Zealand, and can supply data in a variety of ways.
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    The Intergovernmental Panel on Climate Change (IPCC)

    Education Resource
    The Intergovernmental Panel on Climate Change (IPCC) is charged with assessing the most up to date scientific, technical and socio-economic research on climate change.
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    Coralline Algae

    This identification guide covers the common crustose coralline algae found in central New Zealand.
  • Native forests absorbing more carbon dioxide

    Media release
    New Zealand’s forests and other land areas may be absorbing up to 60% more carbon dioxide than has been calculated, with much of this uptake likely occurring in native forests, NIWA scientists have discovered.
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    Sediment and agriculture

    How may agricultural activities increase sediments in waterways?
  • Otago

    The climate of Otago is perhaps the most diverse of any region in New Zealand.
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    Tuna - diet

    Longfin eels are the largest and longest-lived fish in New Zealand's freshwaters, and where they are present they are the top predator.
  • What is Kaitiaki Tools?

    Kaitiaki Tools is a guide to teach people (especially hapū and iwi groups) who manage the resource consent process.
  • Mining

    Mining is the extraction of metal and mineral resources, such as gold, coal, petroleum, and ironsand