Singapore’s carbon tax will go up from S$5 now to potentially S$80 by 2030. How significant is the sharp calibration upwards in terms of climate ambition? What will it mean for businesses and consumers as it trickles down? And how will revenues be used to help industries pivot and customers cope? Jaime Ho speaks to Vinod Thomas, Visiting Professor at the Lee Kuan Yew School Of Public Policy and former Director General at the Asian Development Bank.