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

  • Winter 2020 – NZ’s warmest winter on record

    Media release
    New Zealand has just experienced its warmest winter on record, according to official NIWA climate data.
  • “Very rare find” of ghost shark hatchling

    Media release
    NIWA scientists have made the rare discovery of a days-old ghost shark during a recent survey off the east coast of the South Island.
  • Urbanisation

    Aotearoa’s main urban areas cover approximately 2% of total available land.
  • Education and information

    Education Resource
    Explore our education and information section to find out about climate and climate change, weather, our atmosphere, estuaries and more.
  • Products

    Service
    Here is our complete range of products.
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    Biological limitations

    Identifying biological factors that may be limiting fish numbers requires sampling to ensure that key invertebrate prey species are not scarce and that pest fish, especially predators, are not abundant.
  • Emperor penguin foraging behaviour revealed

    Media release
    An unavoidable delay in a research ship’s voyage to Antarctica resulted in some surprising and important findings about the behaviour of emperor penguins.
  • Southland

    Southland is both the most southerly and most westerly part of New Zealand and generally is the first to be influenced by weather systems moving onto the country from the west or south.
  • Wood processing

    Trees are grown and converted into a range of useful timber and paper products.
  • SHMAK water quality – visual clarity

    There are two methods to determine visual clarity in SHMAK; the clarity tube (or SHMAK tube) and the black disc method.
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    Summer Series Week 4: Know your shells

    News article
    If you're collecting sea shells at the beach this summer and wondering what they are, NIWA is here to help.
  • What is Ocean acidification?

    NIWA oceanographer Dr Cliff Law explains the impacts of ocean acidification on organisms that use carbonates to build their shells, and on bacteria.