NIWA is today issuing some scientific information on the parasite Bonamia ostreae, recently discovered in Big Glory Bay, Stewart Island, and the risk it poses to the Bluff oyster fishery.

The mass of carbon emissions can easily be calculated.

NIWA makes a range of trace gas data freely available on our FTP site.

Scott Base, Antarctica Antarctica is the coldest, windiest and driest continent.

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

A handful of species we work on

Water take (also known as water abstraction) has a range of valuable public and private uses.

When fresh water meets salty water - a classroom exercise that explores the physics of estuaries.

Here is our complete range of products.

New Zealand has just experienced its warmest winter on record, according to official NIWA climate data.

NIWA scientists have made the rare discovery of a days-old ghost shark during a recent survey off the east coast of the South Island.