MAP20071503665 Johnson, Branden B. Communicating air quality information : experimental evaluation of alternative formats / Branden B. Johnson A long-running effort in environmental communication is daily publication of a report on local air pollution in many American newspaper based on the Pollutant Standars Index (PSI). En: Risk analysis : an international journal. - New York and London : Society for Risk Analysis. - Vol. 23, nº 1, February, 2003 ; p. 91-103 1. Comunicación del riesgo . 2. Contaminación del aire . 3. Salud ambiental . 4. Prevención de riesgos . 5. Calidad del aire . I. Título.