What do we mean by low to middle income economies or emerging markets? Why has there been so little research on the circular economycircular economyA systems solution framework that tackles global challenges like climate change, biodiversity loss, waste, and pollution. It is based on three principles, driven by design: eliminate waste and pollution, circulate products and materials (at their highest value), and regenerate nature. opportunities in these contexts so far? How can economies dependent on intense resources extraction take advantage of a new regenerative model? Seb Read is joined by Luisa Santiago, CE100 Brazil Programme Lead at the Ellen MacArthur Foundation, where she conducts circular economy business research initiatives in the Brazilian context. This episode accompanies the publication of articles from the Ellen MacArthur Foundation's Head of Innovation Ken Webster, which explores what the circular economy means for low to middle income countries.