... climate and different mixes of emissions, and to address the effects on climate of policies proposed for control of air pollution and vice versa (Wang et al., 1998; Mayer et al., 2000). Of particular ... include:(1) the effects of air pollution policy on overall demand for fossil fuels and individualdemands for coal, oil and gas;(2) the effects of caps on black carbon (as a regulated air pollutant) ... chemistry and climate modelindicate multiple, regionally variable and partially-offsetting, effects of BC on absorption and reflection of sunlight, reflectivity of clouds, and the strength of lower...