David Williams

A New Zealand scientist who works on gene therapies to treat human diseases - is sounding a warning over the loosening of our laws on genetic modification.  Audio

The Ngai Tahu High Court case against the Crown over freshwater and Christchurch marking the 14th anniversary of the 2011 earthquake. Audio

An often-toxic artificial lake receives a collective shrug, charity hospitals and private healthcare fill the gaps, and council and KiwiRail clash over rail crossings. Audio

A plan change mooted by Canterbury's regional council, ECan, could lead to a halt to dairy expansion in the province. Audio

David has been following the battle over access to private land, through a high country station bordering Arthur's Pass National Park, which is now reaching a climax. Audio

Reality has intruded on our national airline's climate targets, and it's backed down from some lofty aims Audio

Environment Canterbury chair Peter Scott has resumed his role after an independent investigation in his farming practices. Also David talks to Kathryn about the scrapping of some school building… Audio

Otautahi/Christchurch has just hosted the Environmental Defence Society conference, which followed the huge nature march in Auckland against some Government policies.  Audio

Christchurch City Holdings Limited has lost its chair and three directors this month, David takes a look at what is going on and how the council is reacting. Audio

New Zealand has three live seabed mining issues right now, and what they have in common is a startling lack of information on how damaging their activities will be 
  Audio

David looks at leaked documents that show the Canterbury arm of Te Whatu Ora had been told to save $13.3m by July.  Audio

There were howls of outrage when SailGP cancelled racing on Saturday after a Hector's dolphin was spotted on the course. But some of the critics were missing important context which one journalist has…

The final year of former Christchurch City Council Chief Executive Dawn Baxendale's turbulent reign has come at a cost.  Audio

Critics say the government's plan to speed up infrastructure projects puts too much power in the hands of one person. Audio