Rnz: Our Changing World

With more than a thousand conservation stories under her waterproof parka, science journalist Alison Ballance is retiring from RNZ's Our Changing World programme.

Alison Ballance looks back at the 1,000+ stories she has made, and revisits stone-eating spotted shags and urban eagle rays

Alison Ballance plays favourites from the archives - stone-eating spotted shags and urban eagle rays.

Seabird species are being reintroduced to Mana Island to help restore the ecology of the island.

The story of a seabird translocation to Mana Island, involving fluffy white-faced storm petrel chicks, artificial burrows and sardine smoothies.

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.