Compilation of videos produced by British American Tobacco (BAT) in response to efforts to limit exposure to environmental tobacco smoke (ETS). These videos present BAT research on ETS and provide examples of air pollution caused by factors other than cigarettes. Several scientists and consultants try to discredit epidemiological research that links health risks and ETS. It also describes BAT research project to analyze tobacco smoke and to study smoking behavior as well as BAT efforts to create and promote low-tar cigarettes as a less health damaging alternative to regular cigarettes.