7:12 Plastics in paradise 

Dr Sy Taffel is a lecturer in media studies at Massey and he's the brains behind a conference aiming to educate and inform about plastics and our ocean. How we are killing the sea with everything from beads to bags. 

A torn plastic bag drifts over a tropical coral reef causing a hazard to marine life

Photo: 123RF

7:30 The Sampler

In The Sampler this week Nick Bollinger explores the Pacifica-delic world of The Ruby Suns and takes a listen to new local EPs from singer-songwriter Reb Fountain and honey-voiced soul man Teeks, while Elliott Childs checks out the Nashville sound of Jason Isbell.

8:12 The point of the decimal 

David Galt is on the show from The Royal Numismatic Society of New Zealand and Numismatic Society of New Zealand. They are celebrating 50 years of decimal currency in New Zealand this July.  Decimal Currency came in on 10 July 1967. 

8:30 Window on the World

They post-1997 generation are young and have only known Hong Kong as part of China. But under 'one country, two systems' these millennial Hong Kongers stand apart from their mainland equivalent. So how do they see themselves and the unique territory where they live? Back in 1997, Helier Cheung was a schoolgirl in the choir which sang at the ceremony, as Hong Kong's sovereignty reverted from Britain to China. Now, as a BBC journalist, she returns to Hong Kong to discover how her generation see themselves.

9:07 Tuesday Feature

In this year's BBC Reith lectures, the award-winning novelist Dame Hilary Mantel discusses the role that history plays in our lives. And in today's first lecture, Hilary asks what history and the past is for? Whilst we cannot hear or see the past, she says, "we can listen and look". She discusses her own relationship with history, describing how her imagination was fired towards historical fiction.

10:17 Late Edition

A roundup of today's RNZ News and feature interviews as well as Dateline Pacific from RNZ International.

11:07 Worlds of Music

Trevor Reekie hosts a weekly music programme celebrating an eclectic mix of 'world' music, fusion and folk roots. Tonight,