Atmospheric analysis

An unavoidable delay in a research ship’s voyage to Antarctica resulted in some surprising and important findings about the behaviour of emperor penguins.

These datasets are available in a range of formats.

View a collection of maps showing the impact of past El Niño and La Niña events.

This web camera is available thanks to the support of Waikato Regional Council.

Technical information about our datasets and methodology along with related resources.

New Zealand rushes (Juncus): species-level factsheets.

Once eels become migrants (also known as tuna heke or tuna whakaheke) they stop feeding, and progressively develop the external features that clearly distinguish them from 'feeders'.

We have a range of exciting career pathways with our professional Support Service.

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

Projections of how climate change is likely to affect New Zealand.