The atmosphere is comprised of layers based on temperature. These layers are the troposphere, stratosphere, mesosphere and thermosphere. A further region at about 500 km above the Earth's surface is ...

Future Coasts Aotearoa is empowering communities to confront climate change with practical and interactive tools designed to inspire meaningful science-based conversations around adaptation. In the ...

NIWA's Crispin Middleton is part of the team monitoring the caulerpa infestation. Photo: Irene Middleton, NIWA. NIWA is part of a multi-agency biosecurity response to an invasive seaweed discovered at ...

Stories of tremendous forest fires, huge storm events, and suffocating heatwaves have dominated headlines over the past few years. We instinctively feel that our weather is getting wilder. Are we ...

A New Zealand-led team has completed the fullest investigation to date into January’s eruption of the underwater Tongan volcano. Hunga-Tonga Hunga-Ha'apai (HT-HH) emitted the biggest atmospheric ...

The newly described Australasian Narrow-nosed Spookfish, Harriotta avia. The Australasian Narrow-nosed Spookfish was described by NIWA Fisheries Scientist Dr Brit Finucci. It was previously thought to ...

A NIWA-led study has found New Zealand’s native forests are absorbing more carbon dioxide (CO 2) than previously thought. Study leader, NIWA atmospheric scientist Dr Beata Bukosa, says the findings ...

A project is under way to determine whether Aotearoa New Zealand’s long defunct rock oyster industry can be revived. NIWA scientists and the Northland-based Kahukuraariki Trust Board are working ...

Temperature 2024 was New Zealand’s 10th-warmest year on record, based on NIWA’s seven station series which begins in 1909. Annual temperatures were above average (0.51-1.20°C above the annual average) ...

RiskScape has been used to assess climate-related coastal flood risk in the Pacific. The tool provides critical information to allow six Pacific nations – Cook Islands, Republic of Marshall Islands, ...

Our assessment of tropical cyclone (TC) activity for the coming season indicates normal to below normal activity. [Tropical cyclones are categorised in strength from 1 to 5, with 5 being most intense.

A new study from NIWA has mapped outdoor air quality for Invercargill and Alexandra in more detail than ever before. Researchers found that outdoor air in the most polluted locations contained three ...