Rnz: Our Changing World

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.

University of Otago student Jenny Stein is finding out how rising sea levels are a growing problem for many coastal settlements, including the densely populated suburb of South Dunedin.

When University of Otago student Asia King got the call to take part in a study using ketamine to treat depression, she said yes - and made a podcast about the experience.

University of Otago student Ruby Parker says it's important to talk about abortion. She is in conversation with researcher Emma Harcourt.

Epiphytes are the high rise experts of the plant world, and resilient buildings should save lives and still be useable after an earthquake.

Low-damage buildings don't just save lives in an earthquake - they are designed to be resilient so they can stay in use.

Discover the hidden world of arboreal plants, which get a leg-up in the world by living on trees.

An earthquake engineer talks about modelling strong ground motions in an earthquake and a psychologists talks about what it takes to have a good life.

Information from past earthquakes can be used to prepare a more resilient society that will be better able to cope with future shakes.

When it comes to having a 'good life', there are several key elements - strong intimate relationships and time to relax.

Cancer epidemiologist Brian Cox, from the University of Otago, talks about studying the causes of cancer and new research on diet and bowel cancer.

How river water reaches out to sea and an epidemiologist talks about work into the causes of cancer.

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

NIWA experts explain the science behind this year's large ozone hole and New Zealand's high UV levels.

NIWA's Richard Querel talks about the ozone hole, including this year's large one, and Ben Liley explains why NZ has such high UV levels.

Returning the mysterious parasitic flowering plant Dactylanthus or pua o te reinga to Zealandia sanctuary, in Wellington.