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 seaweed scientist tackling global climate change issue

    Media release
    One of the world's leading scientific publishers has named a paper cowritten by a NIWA scientist as one of 250 groundbreaking findings that could "help change the world".
  • Our Climate is Changing

    Our climate is changing - we need to act now.
  • 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