Ocean

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

We know – all too well now – that tropical cyclones can cause huge amounts of destruction in the South Pacific. But might they also be a source of marine life? Audio

A Clean Sweep? by Kate Evans: we are the only nation still trawling in the South Pacific. Can the practice be fixed, or should it be phased out entirely? Audio

Sunfish are the world's largest bony fish species – and yet scientists know little about their lives. This week, Our Changing World meets a sunfish researcher unravelling mola mysteries and dives into… Audio

Sunfish are weird. They don't have a tail, they can grow massive (up to 2.7 tonnes), and we don't know much about their lives. This week, Our Changing World meets a scientist unravelling a mola… Audio