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Título: | Commuting by subway? What you need to know about air quality |
Autor: | Moreno, Teresa CSIC ORCID ; Amato, Fulvio CSIC ORCID | Fecha de publicación: | 2020 | Editor: | OpenEdition Journals | Citación: | Field Actions Science Report 2020: 24- 27 (2020) | Resumen: | Internationally, more than 120 million people commute by subway every day, and thi s number wi l l keep increasing in the future as the United Nations predicts that 75% of the world’s population will be urban by 2050. On top of being crucial to the mobility of city dwellers, subway systems can also play a pivotal role in reducing outdoor air pollution in large metropolises by helping to reduce motor-vehicle use. However, in response to increasing scientific and public awareness regarding the importance of clean air to human health, several studies have revealed unacceptably high levels of inhalable particulate matter (PM) in some subway systems. This article reviews some of these studies and puts their results in perspective, given World Health Organisation (WHO) guidelines concerning safe concentrations of particulate matter in the air. Following on from this, the authors identify some of the key factors influencing subway air pollution and put forward a number of recommendations to help city planners improve air qual i ty i n subway systems, as wel l as commuters protect themselves from the brunt of air pollution in the subway environment. | URI: | http://hdl.handle.net/10261/230926 | Identificadores: | issn: 1867-8521 |
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