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
  • Te Toro app screengrab

    Te Toro Āhuarangi o Anamata - Future Climate Explorer

    Software Tool/Resource
    An interactive tool that supports adaptation planning through the exploration of our environment in future climate scenarios.
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    Tools to support powerful conversations 

    Research Project
    Future Coasts Aotearoa is empowering communities to confront climate change with practical and interactive tools designed to inspire meaningful science-based conversations around adaptation. 
  • Clyedvale clouds

    Impact of rising sea levels on New Zealand pasture

    Research Project
    With sea levels expected to rise in New Zealand, the Future Coasts Aotearoa programme is researching how rising seas could raise groundwater levels and affect lowland farming.
  • Earth Science NZ researchers Sarah Hailes and Emily Douglas take gas measurements from the sediment in Waihi estuary

    Degraded estuaries feel the heat

    Media release
    Degraded estuaries are less resilient to the impacts of heatwaves, new research from Earth Sciences New Zealand shows.
  • Forecasting marine heatwaves: A cost-effective early warning system

    Research Project
    Earth Sciences New Zealand are creating an AI-driven national forecasting system to effectively manage marine heatwaves.
  • Pasifika Panui banner

    Adapting together: science, culture and climate resilience

    Publication article
    Ōtautahi Christchurch hosted NZ’s largest-ever climate event, uniting global leaders and experts, 13–16 October.
  • Snapper banner

    New research to understand the impact of marine heatwaves on fisheries

    Media release
    A new report has outlined how gradual long-term warming of the waters around New Zealand, and an increase in short-term heat events, are likely under different greenhouse gas emission scenarios.
  • A sailing ship offshore of Honolulu

    Warming oceans prompt major overhaul of how we monitor El Niño and La Niña

    Media release
    Global warming is changing how we monitor one of the world’s biggest climate drivers, says Earth Sciences New Zealand.
  • Antarctic phytoplankton under compound microscope aboard RV Tangaroa during an Earth Sciences New Zealand voyage in the Ross Sea in 2021.

    Declining sea-ice is altering Antarctic food webs 

    Media release
    A new study shows a significant change in Antarctic phytoplankton over time that could cascade through the marine food web and affect the ocean’s capacity as a carbon sink. 
  • Cyclone Gabrielle caused flooding throughout Waimauku in West Auckland.

    Rain from tropical cyclones to increase under warmer climate 

    Media release
    New high-resolution modelling predicts that rainfall from tropical cyclones will significantly increase under global warming.
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    Better forecasting fish abundances under climate change

    Research Project
    NIWA are developing a modelling approach to better predict fish abundances in the past, to then be able to forecast fish abundances in the future under climate change and fishing scenarios
  • New study reveals climate change is already impacting the Andes

    Media release
    Seven nations sharing world’s longest mountain range already impacted by climate change