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

Atmospheric analysis

NIWA has been using advanced scientific instruments to measure atmospheric trace gases and isotopes for over 50 years.

  • Native forests sink more carbon than expected

    Media release
    A NIWA-led study has found New Zealand’s native forests are absorbing more carbon dioxide (CO2) than previously thought.
  • Dobson ozone spectrophotometer dome. Measures total column Ozone.

    2010 UV workshop

    2010 UV workshop presentations.
  • NIWA's atmospheric research station situated at Lauder

    2006 UV workshop

    2006 UV workshop presentations.
  • Fish

    Marine carbon

    Service
    NIWA has the expertise, facilities and vessels to conduct research on marine carbon around the New Zealand Exclusive Economic Zone, and from the South Pacific to Antarctica.
  • Lake restoration gets global spotlight

    Media release
    An ambitious plan to reverse the decline of the largest lake in Northland is set to gain global attention at an upcoming international gathering of lake management experts in Australia.
  • Transition Chief Executive appointed for the New Zealand Earth Sciences Institute

    News article
  • Lake Karapiro

    Programme update June 2025 

    In this update we report on research activities over the last three months in the field, the lab and the development of a new resource. 
  • Clam survey Karapiro

    International collaborations

    NIWA hosted a visiting scientist, Dr Cao, from the Wuhan Botanic Gardens, Chinese Academy of Sciences over January and February 2025.
  • NIWA Freshwater Fish Ecologist, Michele Melchior, measuring gold clams at Bob's Landing, Waikato river.

    Identifying the gold clam

    Know your invasive gold clam from your native pea clam and kaakahi/kaaeo.
  • Lake survey boat

    Invasive gold clam and kaakahi population survey

    Assessing depth specific distribution and relative abundance of gold clam and kākahi at Lakes Maraetai and Karaapiro.
  • Clam

    Using artificial samplers to test the presence and settlement of juvenile gold clams

    Filter traps are being used to study the invasive gold clam in the Waikato River.
  • Antarctic clean-up challenges

    Media release
    No detectable human-induced environmental change to the pristine Lake Vanda following the decommission of the research station.