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.

  • Manawatu-Wanganui

    The climate of the Manawatu-Wanganui region is a reflection of the generally disturbed westerly air flow with interspersed anticyclones, modified in specific places by the local topography.
  • Development of sustainable water supply and treatment systems for a coastal Fijian village

    Research Project
    This collaborative NZaid project worked with coastal Fijian villagers at Votua on the Coral Coast of Viti Levu to develop pragmatic water supply and waste treatment solutions to protect public health and reduce contamination of coastal waters.
  • Careers - FAQs

    A list of some of the questions we get asked most frequently. If you don't see your question answered here, please get in touch.
  • Farming and the primary sector

    Farmers are making business decisions everyday which are influenced by environmental factors. We can help farmers to improve decision-making, mitigate farm environment risk, and to become more productive, efficient, competitive and sustainable.
  • 2019/2020 Blake Ambassadors

    Internships

     
  • Wastewater Treatment

    Wastewater treatment is the separation and extraction of solid waste from liquid waste, and the removal of nutrients and pathogens.
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    Chemical contamination and aquaculture

    What are the potential sources of chemical contamination from aquaculture activities?
  • Wairarapa drought

    Drought

    Education Resource
    Defining drought and identifying its causes and impacts on humans.
  • Questions and answers about oyster disease Bonamia ostreae

    Media release
    NIWA is today issuing some scientific information on the parasite Bonamia ostreae, recently discovered in Big Glory Bay, Stewart Island, and the risk it poses to the Bluff oyster fishery.
  • Tropical Cyclone Hamish

    Southwest Pacific Tropical Cyclone Outlook

    Publication series
    A summary of up-coming tropical cyclone seasons, issued 6-monthly.
  • Pauanui North, Cam-era monitoring site

    Pauanui North

    Pauanui North station