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Read about the important science being undertaken at NIWA, and how it affects New Zealanders. 

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One of the best ways to reduce the likelihood of Covid-19 being transmitted in Aotearoa New Zealand classrooms is simply by opening doors and windows to create natural ventilation, say NIWA air quality experts.
A break in the clouds in a remote Fiordland valley and a chance encounter with a jellyfish under the Antarctic ice provide just some of the highlights from this year’s NIWA Staff Photography competition.
New NIWA-led research shows increasing flood risk is going to be what leads people to make changes to adapt to sea-level rise.
With cascading waterfalls and native bush tumbling down mountainous terrain, Fiordland is one of the most eye-catching parts of the country. But peer beneath the waves and you'll see that Fiordland's marine invertebrate and seaweed communities are every bit as remarkable and awe-inspiring.
Christchurch-based environmental monitoring technicians Alec Dempster and Pieter Havelaar got way off the beaten track this week, heading to a snow-covered Mt Potts for weather station servicing in clear blue skies and some of the deepest snow they’ve ever worked in.
A project is under way to determine whether Aotearoa New Zealand’s long defunct rock oyster industry can be revived.
After 40 years of work, retired NIWA fisheries scientist Larry Paul has just published a 793-page bibliography of references to New Zealand marine fishes. Everything known and ichthyological that appears in our waters is referenced in the voluminous tome.
What does science tell us about New Zealands' migratory galaxiids?
Aotearoa New Zealand has just experienced its warmest winter on record – well exceeding the previous record which was set just last year.
Economically sound and environmentally responsible irrigation decision-making.
A record-equalling top temperature of 23ᵒC in Akaroa on Tuesday prompted a feeling of déjà vu for NIWA forecaster Ben Noll.
A closer eye is now being kept on Stewart Island’s climate thanks to the installation of a new electronic weather station.
Voting has opened for the NIWA People's Choice Award - where the public get to pick their favourite image from among a selection of photos entered in the 2021 Staff Photography Competition.
Without the global CFC ban we’d already be facing the reality of a “scorched earth”, according to researchers measuring the impact of the Montreal Protocol.
New Zealand has just experienced its warmest June and July since records began in 1909 and – with one month to go - is on track for its second successive warmest winter on record.
Susan Pepperell looks at how high-resolution forecasting is driving sharper decision making – from deep in the back country to the finish line of the America’s Cup.
Alex Fear looks at the Cultural Keystones Species research programme, a research partnership that grew out of the vision of a Ngāti Hau kaumatua.
NIWA Chief Executive John Morgan looks at the growing role data technology plays in environmental research.
From the rocky shores of Wellington’s South Coast to the icy waters of Antarctica, NIWA scientists are combining drone technology with advanced computer skills to map, measure and analyse the natural environment as never before. Campbell Gardiner explains.
With the winter snowpack starting to build, who’s keeping an eye out on conditions in the mountains?

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