NIWA has developed a real time UV display in consultation with the Cancer Society and Sunsmart.

The world’s oceans are acidifying as a result of the carbon dioxide (CO2) generated by humanity.

Links to related resources and websites

Find out more about free floating species.

What are the potential sources of chemical contaminants in wastewaters?

The River Environment Classification (REC) is a database of catchment spatial attributes, summarised for every segment in New Zealand's network of rivers.

How can we help you?

Downloadable and printable guides on identification of common freshwater invertebrates found in New Zealand waterways and lakes.

This Statement of Corporate Intent (SCI) sets out NIWA's strategy for delivering against its core purpose over the next five years.

Common questions about storms and cyclones in New Zealand.