With approximately 22,000 students, Te Herenga Waka–Victoria University of Wellington is its own small city in the heart of the capital. As a sustainability engagement coordinator, or kaitaupua toitū, Andrea Marsden is one of a small team whose goal is to change the habits of that number for the better, from worm farms to reusable coffee cups. The world’s climate is changing; the latest IPCC report says there is still time left to limit warming to 1.5 degrees Celsius. That means changing behaviours drastically.