Search Our Changing World

A new six-part video series highlights the state of our oceans, and efforts from researchers, Māori and other partners to develop sustainable solutions. Audio

The Rotopiko peat wetlands are a haven for rare and threatened wildlife. But when a flock of introduced birds numbering in the hundreds of thousands moves in – threatening the very nature of this… Audio

PhD student Kiamaia Ellis describes crayfish as a vulnerable taonga species. Local iwi in Tauranga believe the crayfish population is decreasing because of urban, industrial and harvesting pressures… Audio

Stories about looking our warming world in the eye, and preparing for what is coming next. Collecting data about extreme temperatures in estuaries to help manage shellfish populations. Plus what might… Audio

Two stories on addressing our energy problem - using AI to maximise locally produced renewable energy and reducing the carbon footprint of ammonia production. Audio

University of Canterbury engineers plan to 3D print the next generation of wastewater treatment filters. Audio

Two self-driving underwater robots are making surprising discoveries about where river water ends up at sea, far from land. Video, Audio

Deep sea corals are being put to the test at NIWA to find out how they cope with sediment. Audio

Ten years after the Darfield earthquake, three seismologists from GeoNet reflect on a decade of big earthquakes and what we've learnt from them. Audio

Scientists warn that a small amount of sea-level rise could have big consequences for some low-lying parts of New Zealand. Audio

Dr Ocean Mercier's work bridging the worlds of science and traditional Māori knowledge has been recognised with the 2019 Callaghan Medal for science communication. Audio

A panel of five experts debate what it will take to turn the idea of a predator-free New Zealand by 2050 from a dream into a reality. Audio

3D and 4D printing could be a nimble tool for New Zealand manufacturers that also uses wood-based bioplastics. Audio

Wasps are a big problem in New Zealand, and scientists hope that knowing the genomes of common and German wasps will help them find novel ways of controlling the pests. Audio

A nationwide experiment is investigating how estuaries might suddenly 'tip' as a result of increasing nutrients and sediments. Audio

Microbes, such as the fungi-like kauri dieback disease, use chemicals to sense their world - and understanding this might help us to develop new treatments. Video, Audio

Three leading eradication experts talk about Predator Free New Zealand 2050, including the social aspects of engaging communities and the need to develop new tools to better control rats, stoats and… Audio

A tiny mite, that could transmit diseases such as viruses, is being investigated as a possible biocontrol agent for introduced social wasps. Audio

Italian seismologist Giulio Selvaggi is visiting New Zealand to talk about his experience of being first convicted, and then acquitted, of manslaughter following a deadly earthquake in the Italian… Audio