Climate change

The on-going rise of carbon dioxide (CO2) in the atmosphere is not only changing our climate—it is also changing our oceans. 

NIWA has crunched the data on this week’s heatwave and come up with the following record breakers

23 January 2019. By Voyage Leader Dr Richard O'Driscoll.

The water in the New Zealand region is significantly warmer than it was 30 years ago, and all indications are the warming trend will continue, says a NIWA scientist.

A trio of lead authors from NIWA has been named alongside the Ministry for the Environment and others as joint winner of the 2018 Terry Healy Coastal Project Award.

Sampling salps from different depths

24 October 2018: NIWA Blake Ambassadors Lana Young and Siobhan O'Connor report back

Students at Leigh School have been working with marine scientists and the 'Year of the Salps' project partners to learn how to count sea salps, understand salp life cycle phases and the importance of salps in marine ecosystems and their carbon-cycling effects on climate change.

Inhabitants of the Marshall Islands may not be able to avoid drought, but thanks to a new tool co-developed by NIWA they can now plan ahead to better manage water resources when the big dry looms.

Coastal communities around New Zealand are getting a say on how to respond to sea-level rise, and NIWA is helping them.

What happens when the contribution from seasonal snow and ice melt changes in a warmer world?