NIWA collects wave data, develops and verifies wave forecasting systems, and is developing and producing wave projections.

What are the potential sources of chemical contamination from mining activities?

NIWA's educational resources and scientific data are tools for young people to learn about science.

We are currently steaming out towards our survey area, the Louisville Seamount Chain, which is about 1500 km from Wellington.

The climate of the Manawatu-Wanganui region is a reflection of the generally disturbed westerly air flow with interspersed anticyclones, modified in specific places by the local topography.

This system combines daily sea-level data from NIWA, regional councils, port companies, Antarctica NZ, Bureau of Meteorology and territorial authorities.

Blooms of hazardous cyanobacteria (blue-green algae) in rivers, lakes and reservoirs can cause problems for both animal and human health.

The greenhouse effect is a warming of the earth's surface and lower atmosphere caused by substances which let the sun's energy through to the ground but impede the passage of energy from the earth back into space.

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?