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

Climate change

Climate change effects are accelerating, driving the need for actions informed by sound climate knowledge.

Glacier Extinction Horizons
  • NIWA urges farmers to prepare for climate change

    Media release
    NIWA is encouraging farmers to plan for climate change so they can maximise their abilities to adapt and thrive as significant change begins to take place.
  • Well-informed, better prepared

    Our scientists provide the knowledge key for evidence-based decision-making and for our society as a whole.
  • NZ Snowline Survey

  • Solutions: Regional climate change

    Feature story
    As climate change takes hold, regional council planning, sustainability and hazard managers are looking to NIWA.
  • NZ snowline shrinks

    Feature story
    New Zealand’s glaciers have all retreated and lost volume since NIWA started surveying them in 1977.
  • Scientists measure glaciers after record-beating summer

    Media release
    Climate scientists and glaciologists are taking to the skies this week to find out how New Zealand’s glaciers are faring following this summer’s record-breaking warmth.
  • Swamp kauri providing a window to the past for scientists

    Media release
    Ancient swamp kauri is being used by NIWA scientists to reveal the secrets of past climates.
  • Five more days from the official hottest summer on record

    Media release
    Despite a sub-tropical storm and two ex-tropical cyclones, this summer is about to become the hottest in history.
  • Blog: atmospheric gas measurements - 21 February

    21 February 2018John McGregor from NIWA checks on the instruments that measure atmospheric gases throughout our voyage.
  • Auckland region climate change projections and impacts | Auckland Council

  • Warmer seas make whales more difficult to find and track

    Media release
    A two-week expedition to tag blue whales in New Zealand waters for the first time, almost came up empty due to warmer sea temperatures causing the animals to change their behaviour.
  • Warming ocean to alter ecosystems and affect fisheries by end of century, says NIWA scientists

    Feature story
    Rapid warming of the ocean near Tasmania may provide a good indication of how the water around New Zealand will change as the planet warms, say NIWA scientists.