With the borders closed and without the usual flock of international tourists, New Zealanders are expected to venture into the outdoors greater numbers than ever before. But one biosecurity expert is keen to remind us that we all have a part to play in preserving and repairing the natural world. Tame Malcolm is an environmental management expert based at Te Tira Whakamātaki - Māori Biosecurity. He speaks to Māni Dunlop.