Rnz: Our Changing World

Rare dolphins and whales were among the discoveries when the Far Out Ocean Research Collective surveyed the seas off Northland.

The Far Out Ocean Research Collective has been surveying for whales and dolphins in the seas off Northland.

Shaun Eaves talks about glaciers in the North Island and how evidence left behind by glaciers can help reconstruct past climates.

Developing a new test for detecting IVF embryos carrying too many chromosomes, and what past and present glaciers can tell us about climate.

Fertility researchers are developing a new way of testing IVF embryos that have too many chromosomes.

University of Canterbury freshwater biologists are using a joint mātauranga Māori and western conservation science framework for their work translocating species.

Much of New Zealand's freshwater flows underground, and a team from GNS Science is in the process of mapping it.

Mapping the hidden reservoirs of underground water across New Zealand and a mātauranga Māori view on moving freshwater species.

The natural history of Marlborough's weka and disaster law: what it is and its role in disaster resilience.

University of Canterbury's John Hopkins and Toni Collins explain disaster law and shortcomings in NZ's legal system highlighted by the Canterbury earthquakes.

Ornithologist and author Ralph Powlesland is intimately acquainted with the weka families on the regenerating Marlborough Sounds farm where he lives.

Liquefaction lessons from the 2011 Christchurch earthquake, and biotechnologists doing interesting things with plants.

Biotechnologist David Leung finds ways to make plants solve environmental issues.

Misko Cubrinovski is interested how the ground and the structures on - and in - it behave during an earthquake.

Designing a new kind of filter to treat wastewater and how to encourage people to behave in a more environmentally friendly way.

Victoria University of Wellington's Wokje Abrahamse talks about environmental behaviour change, and projects to get people to save energy and use their cars less.

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

Measuring the value of a community garden and the challenges of growing dune plants for restoring sand dune communities.

Summer students from Victoria University of Wellington have been helping the Innermost community gardens in Wellington put numbers on their social and environmental values.

Each year Jo Bonner and the team at Coastlands Plant Nursery in Whakatane grow 300,000 spinifex and pingao plants for dune replanting at beaches around the North Island.