Atmospheric analysis

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

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

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'.

Tsunami is a Japanese word meaning great wave in harbour.

Kaitiaki Tools is a guide to teach people (especially hapū and iwi groups) who manage the resource consent process.

In this blog series, we feature a new critter from our expansive invertebrate collection including pictures of specimens in their unique habitat. The blogs also feature news, links and fun facts that showcase New Zealand’s fascinating marine fauna.

Diverting water away from its natural channel for commercial or private use.

These datasets are available in a range of formats.

NIWA has developed personal UV dosimeter badges to support studies relating UV exposure to human health.