Our Changing World

Kate Evans visits a passionate team as they carpet a remote volcanic island in Tonga with poisoned bait, hoping to eradicate rats. What does it take to complete this kind of project, what are the… Read more Audio

Journalist Rebekah White meets two people who have been counting albatrosses on remote islands in the subantarctic for more than three decades. Their research shows that at least one species is en… Read more Video, 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… Read more 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… Read more Audio

Kuaka bar-tailed godwits make the longest non-stop flights, and researchers are using hi-tech tags to solve the mystery of how and when they sleep.  Read more 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… Read more 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… Read more 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. Read more Audio

Crackle, pop, woof, crunch, click. In the ocean, an undersea orchestra is in full swing. Journalist Kate Evans discovers who’s playing in it and why, and what happens when human noise drowns out this… Read more Audio

A group of young New Zealanders and two meteorologists travel to South Georgia Island in the southern Atlantic Ocean to collect weather observations – continuing the scientific legacy of early… Read more Audio

An ambitious project to rid the remote Antipodes Island of introduced mice proved successful in 2018. Claire Concannon visits the spectacular subantarctic island to meet the locals – from penguins to… Read more Audio

How fast – and how completely – could Antarctica's smaller western ice sheet melt in a warming world? An international science team, led by Aotearoa New Zealand, set out to investigate whether two… Read more Audio