Nevertheless, the broad message of this analysis is fairly clear. Air pollution from maquiladoras has serious consequences for human health, including respiratory disease and premature mortality. However, maquiladoras are clearly not the leading cause of air pollution in Paso del Norte. Moreover, most maquiladoras are probably less important sources of dangerous air pollution than at least one notoriously polluting Mexican-owned industry. Finally, we find no evidence to suggest that maquiladora air pollution affects the poor disproportionately. The remainder of the chapter is organized as follows. The next section presents sector- level emissions inventory data