Hops from a Wellington brewery, cotton offcuts from a fashion label and forestry slash has turned Matt Welton into a bit of a Heath Robinson. His first job was collecting scrap metal in London's East End and after careers as a prison officer and cartographer, he has come full circle, this time turning the organic waste he collects into biochar for farmers and growers on his Akatarawa property.
Go to this episode on rnz.co.nz for more details