Includes bibliographical references.

Effects of pollution on the structure and physiology of ecosystems / G.M. Woodwell -- Use of statistical techniques to assess progress toward a clean air environment : Houston, Texas / R.K. Severs -- Air pollution and climatic change / J.E. Lovelock -- Meteorological aspects of air pollution / G.R. McBoyle -- Ancient stench and present-day effluent / C.S. Judd -- New Orleans asthma / J. Salvaggio and others -- Environmental problems and the allergist / W.D. McKee -- The ignored or unknown variables of the pollution syndrome / E.A. Brown -- Toxic effects of allergenic macromolecular compounds on guinea pigs and mice / V. Goppers and H.J. Paulus -- An effect of continued exposure in air pollution on the incidence of chronic childhood allergic disease / H.A. Sultz and others -- Allergic rhinitis and air pollution / P.S. Mayer and A.E. Savitt -- Hypersensitivity pneumonitis due to contamination of home humidifier / D.R. Tourville and others -- Clinical hypersensitivity to cigarette smoke / H. Savel -- A comparison between the density of smoke in the Brisbane air and the prevalence of asthma / E.H. Derrick -- Effects of air pollution on school absences and differences in lung function in first and second graders in Berlin, New Hampshire, January 1966 to June 1967 / B.G. Ferris -- Patterns of respiratory illness in Sheffield junior schoolchildren / J.E. Lunn, J. Knowelden, and J.W. Roe.