Urbanisation has changed the face of many waterways that flow through urban areas

Understanding how hazards impact people and the environment provides the foundation for informed decision making for a resilient Pacific.

A glossary of common climate change and meteorological terms.

There are different types of instrument available for measuring water level.

Our southwest Pacific research focuses on recent and historic climate and weather activity, including our involvement in ACRE Pacific data rescue.

NIWA provides national capabilities in Water Quality Monitoring.

Annual Climate Summaries from 2000 to present.

The sex of tuna is not determined genetically, as in some other organisms.

Methane (CH4) is the second most important greenhouse gas after CO2 that is produced by human activities.

NIWA is doing a nationwide study to discover what makes the best riparian projects. Help us give you the knowledge to make the best riparian management decisions possible by taking our 5 minute survey.

The scientific records of palaeotsunamis to have affected New Zealand shores can now be accessed in a new one-stop information shop.