Programs to reduce tra¢ c congestion and air pollution by restricting use of motor vehicles on working days have generally not met with success given existing studies of such programs in a number of cities. We conduct the Örst study of Quito, Ecuadorís three-year-old Pico y Placa program...

We put in perspective the papers in this special issue by characterizing different forms of adaptation to climate change and discussing the role of adaptation in a developing country context. We highlight adaptation decision-making under uncertainty, empirics of autonomous adaptation, and data...