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.

  • Storm-tide red-alert days 2024

    Service
    Storm-tide red-alert days 2024
  • A 3D Printer is helping save New Zealand’s endangered native fish

    Media release
    A 3D Printer is helping save New Zealand’s endangered native fish
  • Learning support #2: Climate change, floods and adaptation choices

    Education Resource
    Planning for climate change and flooding.
  • Learning support #1: Extreme weather and climate change

    Education Resource
    When it rains it pours – extreme weather.
  • Introduction - Township Flood Challenge Game

    Education Resource
    Welcome to the NIWA Township Flood Challenge game.
  • Hotspot Watch 10 November 2023

    Hotspot
    A weekly update describing soil moisture patterns across the country to show where dry to extremely dry conditions are occurring or imminent.
  • Recreational fishing

    Research Project
    Understanding the trends in recreational fisheries is key to ensuring sustainable fisheries across the country.
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    Charts and posters form

    Charts and posters webform
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    NatHERS climate files 2012 - data request

    NatHERS climate files 2012 - data request webform
  • Tonga_demersal_line_fishery-teaser_image.png

    Improved sustainability of the demersal line fishery in Tonga

    Research Project
    The Tongan deepwater demersal line fishery is a valuable source of income, livelihood, and social well-being for the people of Tonga. The fishery has a history of boom-and-bust cycles with fluctuating catches and poor economic returns.
  • Hotspot Watch 1 November 2023

    Hotspot
    A weekly update describing soil moisture patterns across the country to show where dry to extremely dry conditions are occurring or imminent.
  • Freshwater biosecurity

    Reducing the risk of new freshwater invasive species, minimising the impacts of these species, and developing methods for reducing or eradicating those populations.