RNZ: Sunday Morning

Writer and environmentalist Bill McKibben He says climate change is the first ever time-limited test humanity has faced.

Stalling the rumour mill; Stuff switches size; boosting local journalism for the Southern Lakes; Peter Greste - solidarity and standards.

We still have the metabolism of our hunter-gather ancestors and it can't cope with the high-fat, high-salt, high-sugar diet we take as normal today, health researcher John Potter says.

Craig McCulloch returns from London and a Commonwealth heads of government meeting to explore whether a trade agreement across all 53 countries could really fly?

A group of linguists from the University of Auckland is trying to help save a local language under threat in Papua New Guinea. They've been running literature workshops in Bougainville with the aim of producing works in Naasioi, one of the 25 languages there. Any known printed writings in the language were destroyed during the Bougainville conflict, which lasted a decade from 1988 to 1998. Three University of Auckland researchers have been working with locals at the request of the manager of the Haus Stori, the library established in the Bougainville township of Arawa, with the help of New Zealand author Lloyd Jones in 2012. One of the researchers, Masters student Brittni Smith, says the children have no books written in Naasioi and that is one of the goals for helping locals preserve their language.

Contempt isn’t only hard to pronounce, it’s tricky legally. But Parliament is now coalescing, clarifying and modernising it. A makeover for disdain, if you will.

Fans of music memorabilia are talking about "The Record Collectors and Music Memorabilia Auction" on at 2pm Sunday in Dunedin, run by Haywards Auction House. The Chills manager and Dunedin music collector Scott Muir talks about what's going under the hammer.

A week ago floods swept through Rotorua and many people can't return to their homes. A State of Emergency may be lifted this morning. Mayor Steve Chadwick has an update.

The world's most active volcano, Kilauea in Hawaii, has lived up to its reputation in the past few days - and a number of strong earthquakes and toxic gas have reinforced the power of mother nature. Janet Snyder is a spokeswoman for the office of Hawaii County Mayor.

Non-Government MPs can get bills through the House but need a little bit of luck to do so.

New National MP Nicola Willis has given her maiden statement in the House outlining her values and goals.

Each sitting day in the House MPs work their way through business which is set out on the order paper. Here's what they plan to get through this week.

Wallace Chapman reads listeners' feedback from this morning's show.

This year marks three decades since the Karen Walker brand was born. She speaks with Wallace Chapman about the importance of her upbringing, her love of music and staying relevant in a tough business.

British naturalist and adventurer Steve Backshall has filmed dozens of shows for the BBC and National Geographic - shows that see him clinging to cliff faces, extreme kayaking and getting up close to deadly animals. Steve Backshall's Extreme Mountain Challenge and his Extreme River Challenge both start on BBC Knowledge, Sky TV Channel 74 in May. He reveals the animal he's most scared of and it might surprise you.