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

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Atmosphere

Atmosphere

World class research contributing to our understanding of greenhouse gases, ozone depletion, and urban air pollution.

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Air quality

Greenhouse and trace gases

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Accurate quantification of methane emissions from waste and agriculture

CarbonWatch NZ

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Total Carbon Column Observing Network

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Baring Head Atmospheric Research Station

Lauder Atmospheric Research Station

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MethaneSAT

Research Project

10 May 2023

Detecting and quantifying methane emissions by satellite
Climate & Weather

Climate & Weather

Understanding our variable and changing climate is critical for managing resources and reducing risks.

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Serious games as a tool to engage people

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NZ temperature record

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NIWA can help you leverage updated climate projections

Service

29 August 2024

NIWA is using updated climate projections to help New Zealanders better understand climate-related risks.
Hazards

Hazards

Nature can be a destructive force. Our science prevents property damage and saves lives.

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Future Coasts Aotearoa

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Mā te haumaru ō te wai: Aotearoa flood resilience

Responding to and preparing for extreme weather events

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Extreme coastal flood maps for Aotearoa New Zealand

Storm-tide red-alert days 2026

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Serious games as a tool to engage people

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Tonga eruption confirmed as largest ever recorded

Media release

21 November 2022

A New Zealand-led team has completed the fullest investigation to date into January’s eruption of the underwater Tongan volcano.
Coasts & Oceans

Coasts & Oceans

NIWA aims to provide the knowledge needed for the sound environmental management of our marine resources.

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NIWA Vessels

NIWA's vessels are world-class environmental monitoring and research platforms.
Freshwater

Freshwater

We provide public information on river, lake, and groundwater conditions across New Zealand including water quantity and quality.

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Stopping the gold clam: it's now or never

Roto Turf: Aquatic plant ‘life rafts’ in degraded lakes

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NIWA Water Quality Laboratory

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LakeSPI: Keeping tabs on lake health

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Guidelines for monitoring fish passage success

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Freshwater species ecology and management

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Environmental flows

Causes and effects of water quality degradation

Freshwater biosecurity

Freshwater mitigation systems

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Stopping the gold clam: it's now or never

A NIWA-led programme to develop effective, and culturally-attuned strategies for managing the freshwater gold clam.
Te Kūwaha

Te Kūwaha

Working together with hapū, iwi, Māori communities and Māori business to deliver tailored science.

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Taonga species

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Cultural Keystone Species

Maniapoto Cultural Assessment Framework

The impact of non-native marine pests on our takutai moana

Ngā repo o Maniapoto - Maniapoto wetland inventory

Ngaa taonga tuku iho o ngaa roto o Tahaaroa

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Taonga Species Series

Climate Change Vulnerability Assessment (CCVA)

Kaitiaki Tools

Trends analysis for selected indicators of Waikato River health

Climate and Māori society

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Te Kūwaha Graduate Programme

25 September 2025

NIWA’s Te Kūwaha Graduate Internship programme has been established to help support and create tangible pathways for the next generation of Māori researchers.
Pacific

Pacific

We provide applied science and environmental consultancy services to support international development. NIWA works collaboratively with Pacific partners to support the sustainable management and resilience of natural resources, environments & communities.

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Pacific freshwater

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A Floating University for the Pacific

Pacific Centre for Seabed 2030

Pacific Ocean Acidification Training Hub

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Pacific Risk Tool for Resilience, Phase 2 (PARTneR-2)

Improved sustainability of the demersal line fishery in Tonga

Development of sustainable water supply and treatment systems

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Island Climate Update

Riskscape

Climate Data for the Environment Services Client (CliDESc)

Climatology maps for Vanuatu

On-Site Household Sanitation Guidelines for Fiji

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Island Climate Update

Publication series

06 June 2017

A monthly summary of the climate in the tropical South Pacific islands, with an outlook for the coming months.

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About

About

Decision makers at all levels are seeking evidence-based analysis and advice from environmental experts. NIWA’s science provides high quality insights to underpin important decisions, and innovative solutions.

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NIWA and Kia Toipoto - Closing gender and ethnic pay gaps
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My coastal futures: adapting to climate change

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Hotspot Watch 20 November 2025

It’s breeding season for invasive clam

Training Fiji’s Meteorological Technicians

Hotspot Watch 13 November 2025

Earth Science New Zealand host UNDRR Chief

Supporting Papua New Guinea landslide response
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Flagship Science Programmes

Flagship Science Programmes

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

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Outlook for June - Augusts 2014

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Outlook for June - Augusts 2014

Regional probabilities: outlook for June - August 2014.

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