Justine Murray is back with Chef Charles Royal foraging in the bush near Lake Rotoiti. In part two of their discussion, Charles talks about the importance of sustainability in light of the increased practice of Rongoa Maori or the use of native plants for their medicinal properties. The former army chef turned entrepreneur and business owner, says sustainability is about only taking what you need, hear more of their conversation in this week's episode of Te Ahi Kaa.