09:05 Mexico's sugar tax set to save 19 thousand lives - study

Sugar-sweetened drinks (SSD)

Sugar-sweetened drinks (SSD) Photo: 123RF

A new study has found that Mexico's 10 percent tax on sugary drinks is set to save almost 19 thousand lives and save its health system nearly a billion dollars over the next decade. One of the study's authors is research analyst Joanne Penko from the University of California.

09:20 "We need to find new ways to manage visitors" : DOC

Tongariro Alpine Crossing - Emerald Lakes

Tongariro Alpine Crossing - Emerald Lakes Photo: 123RF

Kathryn Ryan talks with Conservation Department head Lou Sanson about the challenge of managing our national parks in the face of record numbers of visitors. He says it may be time to start charging for the use of the country's great walks, to encourage visitors to spread out across New Zealand.

09:30 Are the Government's climate change targets 'the full quid'?

Pine Forest

Pine Forest Photo: 123RF

A new Morgan Foundation report  claims the government is  trying to get around its commitments to 2030 climate change targets by means of 'creative' carbon credit accounting. Paul Young, the report's lead author has modelled the potential impact & claims it would allow NZ around 79 million tonnes more of greenhouse gas emissions.

09:45 Australia correspondent Karen Middleton

10:05 Tessa Morgan: from arts degree to a career in medical research

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Photo: supplied

Kathryn Ryan talks with 22 year old Auckland University honours student Tessa Morgan, who's won a lucrative scholarship to Cambridge University, to research a PhD in palliative care.

10:35 Book review - "The Explosion Chronicles" by Yan Lianke

Reviewed by Rachel O'Neill, published by Text Publishing.

10:45 The Reading

Passing Through by Coral Atkinson read by Amanda Billing (Part 7 of 14)

11:05 Marty Duda's artist of the week

Marty features the music of The Pretenders, whose new album Alone, has just been released.

11:20 Addressing male domestic violence

Deb Robinson and James Kirk

Deb Robinson and James Kirk Photo: supplied

Kathryn Ryan talks to two Wellington social workers about an initiative to get backing for a community house where men can have time out, to address their anger and violence issues. James Kirk is from Orongomai Marae Social Services and Deb Robinson from the Network for a Violence-Free Hutt Valley. 

11:45 Science commentator Siouxsie Wiles

This week Siouxsie tells us about GE spinach plants which can detect explosives, a study into the mitochondria of autistic people and debunks a myth about cranberry juice.