Our Changing World - Kauri Dieback Disease (Part 1)

Kauri dieback disease knows no boundaries. It's killing our iconic kauri trees in suburban gardens in West Auckland and in the great kauri forests of Northland. Alison Ballance heads to Titirangi to find out what this deadly disease is, and what impact it's having on one particular garden that has a special association with one of New Zealand's most influential painters.