COP26 served as a reminder of the uphill battle to meet the world’s decarbonization commitments by 2050. A sustainable climate solution requires the participation of every industry, which means every industry must mobilize. Despite its late arrival, the retail sector is on its way to catching up. There were only a few major retailers with science-based carbon reduction targets in 2016. Within five years, more than 65 global retailers set such targets, and the number is growing steadily.