Ozone and PM related health co-benefits of climate change policies in Mexico

This paper reports the results of extending a previous analysis of reductions in ozone exposures resulting from greenhouse gas reduction policies in Mexico, to the case of estimating reductions in premature death and risks of non-fatal diseases following reductions in both ozone and particulate matter exposures. The results show that a policy of greenhouse gas reduction in the Mexican economy by 77% relative to a baseline growth scenario results in reduced mortality loss of almost 3000 lives per year. The benefit in terms of non-fatal disease is 417,000 cases reduced per year, at a savings of $0.6B per year in cost of illness. These reductions in human health risk, stemming from co-benefits of climate change policies, are significant in light of targets of risk reduction typically used in environmental regulatory decisions, and would be considered important drivers of policy choice if climate policy were harmonised with other areas of risk-based environmental policy.