NIWA

Climate, Freshwater & Ocean Science

Homepage revamp Nov 2018

Covering Climate Now

17 September 2019
Expect to hear a lot more about climate change in the news in the weeks ahead – and a lot about NIWA’s work underpinning the science that is signalling a warmer world right now and its effects in the future.
Climate
Climate change
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NIWA to survey young snapper in Hauraki Gulf

7 November 2019
NIWA is heading out into the Hauraki Gulf this month to carry out a survey of juvenile snapper– the first of its kind for 20 years.
Fish
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Hot weekend awaits

31 October 2019
This weekend, after a rather cool October, the beginning of November brings out the heat.
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Popular services and publications

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

More top stories

28 October 2019
Media Release

Leopard seal Owha injured in Auckland Harbour

Researchers are keeping a close eye on Owha, the leopard seal that has made Auckland Harbour her home, after she was seen bleeding from her face on Saturday morning.
22 October 2019
Media Release

Fish snack on microplastics

Microplastics are being fed to snapper, New Zealand’s most popular recreational fish species, at NIWA’s aquaculture research facility near Whangarei in a bid to establish some baseline data about how fish are being affected.
16 October 2019
Media Release

Researchers seek help on lobster catches

NIWA researchers are seeking the help of divers, snorkellers and lobster potters in the Hauraki Gulf and Bay of Plenty to learn more about how rock lobster are faring.
10 October 2019
Media Release

Scientists share stunning images

Castle Hill attracts two types of enthusiasts – climbers and astrophotographers...
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CarbonWatchNZ

Combining measurements of greenhouse gases in the air above New Zealand with models that tell where those gases have come from, CarbonWatch NZ is giving us a bird's eye view of our country’s carbon balance.

Find out more

Features

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.

Super-model for a worldwide stage

Super-model for a worldwide stage

12 June 2019
Demands for new weather and climate predictions are unprecedented as nations struggle to understand their exposure to risk from severe climatic events.

Protecting freshwater taonga

Protecting freshwater taonga

12 June 2019
Taonga species such as tuna (freshwater eels), kōura (freshwater crayfish) and kākahi (freshwater mussels) are central to the identity and wellbeing of many Māori.

A bird's-eye view of our carbon balance

A bird's-eye view of our carbon balance

13 June 2019
Dr Sara Mikaloff-Fletcher is looking to turn the internationally accepted science of monitoring greenhouse gas emissions upside down – and the rest of the world is watching closely.