Health problems due to poor air quality have been among the main environmental concerns in Mexico City, Santiago, Bogotá, Sao Paulo, Lima, Quito among other cities in the region. This study provides quantitative estimates of key air pollution concentrations, health impacts, and the monetary...

This paper provides (for the nonspecialist) a highly streamlined discussion of the main issues, and controversies, in the design of climate mitigation policy. The first part of the paper discusses how much action to reduce greenhouse gas emissions at the global level is efficient under both the...

This article analyzes the costs and emissions characteristics of methanol vehicles. The cost-effectiveness of methanol-the cost per ton of reactive hydrocarbon emissions reduced-is calculated and compared to the cost-effectiveness of other hydrocarbon reduction strategies. Methanol is found to...

Economic analyses of nature must somehow define the “environmental commodities†to which values are attached. We articulate principles to guide the choice and interpretation of nonmarket commodities. We describe how complex natural systems can be decomposed consistent with...