Most sub-Saharan households cook using traditional biomass stoves, and 200 million more will do so by 2020. For maximum health and environmental benefits, policymakers in sub-Saharan Africa should aim to transform their countries’ cookstove markets to drive a large-scale shift from traditional biomass to stoves using clean fuels or electricity.  

After several years at high levels, oil prices dropped by more than half between June 2014 and January 2015, leading many to ask questions about the implications for the economy and for countries’ and companies’ energy choices. Although such price swings have happened before, the issues being discussed are indeed quite important.