The report summarized in this paper is intended as a review of the transportation sector’s contribution to local and global air pollution, and the strategic and tactical options available for combating the problem in an environment of sustainable development and economic growth. The report examines the origins of, and the damages caused by, air pollution from transport; it assesses the underlying causes, surveys the principal strategic approaches applied to solving the problem, and examines the various mechanisms of intervention available. While the report refrains from making specific policy recommendations, it reiterates a theme that needs to be.