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

Our Services

NIWA brings together experts, partners and technologies to tackle key environmental challenges and deliver solutions to help New Zealand build resilience and manage its environment wisely.

  • Library

    Service
    The NIWA library collection contains items in a range of formats, covering subjects including atmospheric and climate research, aquaculture, oceanography, fisheries and marine sciences.
  • Aquaculture services

    Service
    How can we help you?
  • Products

    Service
    Here is our complete range of products.
  • 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.
  • algal bloom

    Algal monitoring service

    Service
    Blooms of hazardous cyanobacteria (blue-green algae) in rivers, lakes and reservoirs can cause problems for both animal and human health.
  • (no image provided)

    Trace gas datasets

    Service
    NIWA makes a range of trace gas data freely available on our FTP site.
  • Environmental Information Services

    Service
    NIWA collects and manages significant amounts of New Zealand's environmental data, particularly in the climate, freshwater, marine and atmosphere domains.
  • New Zealand Drought Monitor

    Service
    The New Zealand Drought Monitor is a system for keeping track of drought conditions across New Zealand based on a standardised climate index.
  • Planning for coastal adaptation

    Service
    Coastal risk exposure for New Zealand, adaptation guidance for local government and relevant summaries of previous court cases and Building Act 2004 determinations.
  • Ecotoxicology services

    Service
    NIWA offers a range of standard toxicity tests for both freshwater and marine environments.
  • Ocean gliders

    Service
    Using a novel observational platform – ocean gliders—this research will observe and understand subsurface variations in temperature, salinity, oxygen and biological factors in water shallower than 200 metres – what we consider to be the shelf seas.
  • Ngā Waihotanga Iho - The Estuary Monitoring Toolkit

    Software Tool/Resource
    The main purpose of Ngā Waihotanga Iho is to provide tools for the public to measure environmental changes that occur in estuaries over time. These changes may occur due to natural processes and/or human activities.