Climate, Freshwater & Ocean Science


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There are lots of different things we can do to reduce our greenhouse gas emissions and to adapt to our changing climate.

See our latest Climate Tip #2: all about CO2 and forests


Trustpower's Waipori power scheme

For over 100 years Trustpower's Waipori power scheme has supplied Dunedin with hydroelectric power. Our field hydrology team visit the site every three months to take essential measurements of the river flow. We headed out with NIWA environmental technician Elliot Bowie to learn more...

Field teams and forecasters cover monumental rainfall event

The prodigious rainmaker that hit Canterbury earlier this month saw NIWA field teams out in the elements collecting flood data from bridges, cableways and jetboat gaugings.

Sampling the Waimakariri

Environmental monitoring technician Patrick Butler has spent hours travelling between the upper and lower reaches of Canterbury’s Waimakariri and Hurunui Rivers. His mission – river water quality sampling.

Keeping tabs on muddy waters

Estuaries provide a crucial link between our rivers and our seas. Sam Fraser-Baxter heads out with a NIWA research team keeping a close eye on these vulnerable transition zones.