Ocean

This week, it's the second episode of Voice of the Sea Ice, the Our Changing World miniseries about Antarctic sea ice.  

This vast expanse of ice that grows each winter – effectively doubling the… Audio

On Our Changing World, we head to Antarctica to join an international team of researchers studying the giant glass sponges that live on the seafloor.  

While the sea ice might be a flat white… Audio

An expedition to the Bounty Trough off the Otago Coast uncovers a treasure trove of deep-sea creatures – including some species new to science. Veronika Meduna meets slimy fish, snails, and tiny… Audio

We might think deep-sea squid look a bit strange, but if they have the capacity for it, they would likely consider us monsters! Claire speaks to a squidologist and a PhD candidate about their research… Audio

What does the world look like to a deep-sea squid? Audio

New Zealand once led the world in marine protection. Now it looks like we will fail to meet our international promise to protect 30 percent of our ocean estate by 2030. Why is stopping fishing so… Audio

The Bounty Islands are tiny in terms of area – just some bits of granite jutting out of the ocean. But they are huge in terms of seabirds. James Frankham joins a team researching the erect-crested… Audio

What roles do our ocean ecosystems play in capturing carbon? Kate Evans speaks to iwi Māori working to improve the health of an estuary in the Bay of Plenty, and to scientists studying the fiords of… Audio

People and livestock gobble so much fish that the seas soon won’t keep up. Is the answer to grow fish on land? Kate Evans meets scientists figuring out the puzzles of how to farm some of New Zealand’s… Audio

Kina numbers are exploding on some of our reefs, decimating seaweed habitats. Could this problem be solved by eating them? Kate Evans investigates the potential of kina-nomics. Audio

Kina numbers are exploding on some of our reefs, decimating seaweed habitats. Could this problem be solved by eating them? Kate Evans investigates the potential of kina-nomics. Audio

A collaboration between Our Changing World and New Zealand Geographic, the Voice of Tangaroa series explores the state of our oceans, and the extraordinary variety of life that calls it home.   Audio

Coming soon to RNZ Podcasts is the new series Voice of Tangaroa, exploring the state of our oceans, and the extraordinary variety of life that calls it home. Released weekly from Thursday 29 February… Audio

Coming soon to RNZ Podcasts is the new series Voice of Tangaroa, exploring the state of our oceans, and the extraordinary variety of life that calls it home. Released weekly from Thursday 29 February… Audio

Coming soon to RNZ Podcasts is the new series Voice of Tangaroa, exploring the state of our oceans, and the extraordinary variety of life that calls it home. Released weekly from Thursday 29 February… Audio

Coming soon to RNZ Podcasts is the new series Voice of Tangaroa. The series explores the state of our oceans, and the extraordinary variety of life that calls it home. Audio

Giant kelp is disappearing from Wellington Harbour. Love Rimurimu is aiming to restore lush underwater kelp forests with an ambitious and collaborative replanting effort. Claire Concannon dives in to… Audio

Giant kelp is under pressure. Can an ambitious underwater forest planting effort help restore this disappearing ocean ecosystem? Audio

Joseph Dituri has spent 95 days in a metal cabin just off the coast of Florida, 9.1m below the ocean's surface. The biomedical engineer has smashed through the previous record of 73 days spent… Audio

Tropical cyclones can cause rampant destruction, but sometimes, these wild weather systems can seed life at sea too. This week we meet a storm-chasing researcher in search of phytoplankton blooms like… Audio