Climate change

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

Glacier Extinction Horizons
  • Intensity of cyclones predicted to increase

    Feature story
    Tropical cyclones forming in the south-west Pacific are becoming less frequent but those that do form are likely to be more severe.
  • Improved climate information and services in Vanuatu

    Feature story
    The construction of improved climate information and services in Vanuatu has posed unique logistical challenges.
  • Production of Hayward kiwifruit in Bay of Plenty at risk from climate change

    Media release
    The most commonly grown variety of kiwifruit around Te Puke will not be commercially viable in the area by the end of the century, say scientists.
  • Tiny air bubbles reveal new information about greenhouse gas emissions

    Media release
    Sitting at the surface of Taylor Glacier in Antarctica, are layers of ice more than 10,000 years old. And trapped inside those layers are bubbles of ancient air – like tiny time capsules - able to tell scientists a story about what the world used to be like and how humans have changed it.
  • Wellington will get significantly warmer, new climate change report shows

    Media release
    Wellington city will have warmer autumns, almost a month of days over 25°C and up to 10 per cent more winter rain by 2090, according to a new NIWA climate report.
  • Climate change and variability - report for the Greater Wellington Region

  • Climate change will cause more deaths from air pollution, study finds

    Media release
    New research estimates that if climate change goes unchecked 60,000 more people will die globally from air pollution in 2030 – just 13 years away.
  • Regional modelling of New Zealand climate

    Research Project
    Developing probabilistic scenarios of expected future regional climate changes.
  • Climate Change Vulnerability Assessment (CCVA)

    Service
    To prepare for changes in climate, our freshwater and oceans decision-makers need information on species vulnerability to climate change.
  • (no image provided)

    What is ocean acidification?

    Education Resource
    Ocean acidification is the name given to the lowering of pH of the oceans as a result of increasing carbon dioxide (CO2) in the atmosphere.
  • 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.
  • (no image provided)

    What is the greenhouse effect?

    Education Resource
    The greenhouse effect is a warming of the earth's surface and lower atmosphere caused by substances which let the sun's energy through to the ground but impede the passage of energy from the earth back into space.