Developing probabilistic scenarios of expected future regional climate changes.

Find out more about our water quality tools.

Shellfish gathering and farming take place in marine and freshwater environments.

Rural, urban, and suburban wastewater treatment methods.

Follow NIWA's scientists as they explore the natural world, make new discoveries and share how people use their science.

Waikato exhibits a range of climates due to the variety of landscapes in the region.

An estuary is a partially enclosed body of water formed where freshwater from the land meets and mixes with saltwater from the ocean.

Annual Climate Summaries from 2000 to present.

Pauanui South Cam-era station

Tsunami is a Japanese word meaning great wave in harbour.

NIWA is leading a new six-year research project that seeks to increase our understanding of piharau/kanakana/lamprey, using Mātauranga Māori, social science and biophysical science approaches.

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