Evaluation of the air quality benefits of the subway system in Sao Paulo, Brazil
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Citações na Scopus
48
Tipo de produção
article
Data de publicação
2012
Título da Revista
ISSN da Revista
Título do Volume
Editora
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
Autores
SILVA, Cacilda Bastos Pereira da
AMATO-LOURENCO, Luis Fernando
RODRIGUES-SILVA, Fernando
MIRAGLIA, Simone Georges El Khouri
Citação
JOURNAL OF ENVIRONMENTAL MANAGEMENT, v.101, p.191-196, 2012
Resumo
Air pollution is a severe problem in major urban areas due to increasing numbers of vehicles, reduced road capacity and few investments in public transportation, especially in developing countries. Public transportation has a special role in avoiding congestion and consequent environmental and health impacts but is considered expensive. The objective of this paper was to analyze the benefits of the Sao Paulo subway in terms of the air pollution in the city through strikes events, analyzing both the health outcomes and the related economic burden. For the strike events, increases in air pollutant concentrations during the strike day was observed when compared to a similar day in terms of day of the week and meteorological conditions. Increases in mortality were also observed and the associated economic burden calculated. Despite the elevated construction and operation costs of the subway, when environment and social values are considered, cost-benefit analysis results would indicate a worthwhile investment. The consideration of these aspects is essential to sustainable transportation analyses, and in the case of the Sao Paulo subway, our analysis clearly demonstrated the important role of this system in the city's environmental, social and economic attributes.
Palavras-chave
Air pollution, Health, Public transportation, Subway, Value of statistical life, Sustainable transportation
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