NIWA

Climate, Freshwater & Ocean Science

Homepage revamp Nov 2018

Ocean acidification—what is it?

18 February 2019

The on-going rise of carbon dioxide (CO2) in the atmosphere is not only changing our climate—it is also changing our oceans. Take a look at the work of the NIWA-led CARIM project into what these changes may mean for the delicate balance of marine life.

Environment report a clear picture of change: NIWA

18 April 2019
The latest state of the environment report released today provides New Zealanders with clear evidence that our climate, freshwater and marine systems are changing, says NIWA.
Air Quality
Climate change
Water Quality
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Easter forecast

17 April 2019
We’re eggspecting a calm, mostly fine, and mild start (but soggier finish) to the Easter weekend, according to NIWA’s forecasting services team.
Weather
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Popular services and publications

UV index
Tide forecaster
Cam-era
NiwaWeather
Seasonal Climate Outlook
Our services

More top stories

15 April 2019
Media Release

World Earth Day: Air quality and its effects on respiratory health

A newly formed partnership between Asthma and Respiratory Foundation NZ and NIWA aims to provide the latest air quality research to over 700,000 people living with respiratory conditions in New Zealand.
3 April 2019
Media Release

March temperatures more evidence of a warming climate

NIWA today released its March Climate Summary which confirms temperatures during the first month of autumn were at record highs in many places.
26 March 2019
Media Release

Freshwater fish swim their all for science

In a secret training location on the outskirts of Hamilton, a squad of whitebait is being put through its paces by fish scientists.
1 March 2019
Media Release

International climate experts gather in Wellington

Weather and climate experts from around the world are meeting in Wellington next week to discuss the critical need for accurate forecasting to cope with a changing climate.
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Climate change

Climate change effects are accelerating, driving the need for actions informed by sound climate knowledge.

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Features

Scientist collects rubbish to rid rivers of plastics

Scientist collects rubbish to rid rivers of plastics

16 January 2019
It may be rubbish to everyone else, but to Amanda Valois each little scrap of plastic on a river bank or in a waterway tells a valuable story.
Pollution
Rivers
Water Quality

The science of art or the art of science…

The science of art or the art of science…

11 January 2019
If you think science and art have nothing in common, think again. At environmental science institute NIWA, it’s all about one inspiring the other.

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The eel earbone detective

The eel earbone detective

9 January 2019
As a young child growing up on an Irish farm, one of Eimear Egan’s chores was to regularly clean out the well from where her family drew its drinking water. In the well lived a large eel that, no matter how many times it was shifted, just kept coming back.
Fish