In the wake of cyclone gabrielle, the way that we build back from the widespread damage caused is a topic of debate. Safety needs to be ensured, and environmental considerations are also important. But how do we merge these two issues? With around 50% of all waste in the country coming from the building and demolition industries, more needs to be done to reuse materials. Dr. Kris Roy is a senior lecturer in Civil Engineering at the University of Waikato and is an expert on the circular economy and has spoken about 'building back better'. Simon began by asking Dr. Roy what it means to build back better.