Measured in Auckland (Leigh Marine Observatory), Paraparaumu, Christchurch, Lauder, Invercargill. Click on the thumbnail to see a larger version of each of these graphs. Time series of these UV data ...

The Global Warming Potential (GWP) of a greenhouse gas is its ability to trap extra heat in the atmosphere over time relative to carbon dioxide (CO 2). This is most often calculated over 100 years, ...

The graph shows carbon dioxide (CO 2) levels measured at Baring Head, NIWA’s clean air station, near Wellington. This station has been running since 1972 and is home to the longest running continuous ...

Riskscape, a collaboration between NIWA and GNS Science, is a software application for analysing natural hazard consequences ...

Antarctica is the coldest place on earth. It is also the windiest, driest, and highest continent. The South Pole is not the coldest place in Antarctica. The coldest temperature recorded in Antarctica ...

This five-year NIWA-led research programme is developing a system to map flood hazard consistently across the whole country. It will reveal how our flood risk might change over the next 100 years ...

Climate modelling and projections will support Aotearoa’s transition to a low-emissions, climate-resilient economy.

Our vessels are world-class environmental monitoring and research platforms with the most stringent health and safety standards. We have more than 40 years of experience working in New Zealand’s ...

Township Flood Challenge is an online climate change and extreme weather adaptation resource for teachers. The lesson packages were co-developed between NIWA, Future Curious and the Aotearoa Social ...

This Climate Change Adaptation Toolbox helps you find out about the changing climate, what it might mean for your business, organisation or community and what you can do about it. You can assess your ...

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License. The New Zealand Drought Monitor is a system for keeping track of drought conditions across New ...