The High Performance Computing Facility (HPCF) is supercharging New Zealand science.

These datasets are available in a range of formats.

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

Tuna is a generic Māori word for freshwater eels. The word will be used interchangeably in this resource.

Biogas from pig farms

NIWA discusses, in depth, this year's most asked question—what is happening to our fresh waterways?

A list of some of the questions we get asked most frequently. If you don't see your question answered here, please get in touch.

How healthy is your stream? SHMAK - the New Zealand Stream Health Monitoring and Assessment Kit - has been designed to help you find out.

Farmers are making business decisions everyday which are influenced by environmental factors. We can help farmers to improve decision-making, mitigate farm environment risk, and to become more productive, efficient, competitive and sustainable.

One of the most common species of freshwater fish in Aotearoa is the common bully or toitoi.

What are the impacts of water dams on water quality and mahinga kai?