| 書目名稱 | Urban Air Pollution and Forests | | 副標(biāo)題 | Resources at Risk in | | 編輯 | Mark E. Fenn,L. I. Bauer,Tomás Hernández-Tejeda | | 視頻video | http://file.papertrans.cn/944/943856/943856.mp4 | | 叢書名稱 | Ecological Studies | | 圖書封面 |  | | 描述 | At present, roughly half of the world‘s population lives in urban centers. There are now more than 20 cities with a population of over 10 million inhabitants, compared to less than 5 about 50 years ago. This tendency toward urbanization is expected to continue, particularly in the developing world. A consequence of this growing trend is that millions of people are being exposed to harmful levels of urban air pollutants caused mainly by emissions from motor vehicles and from industrial and domestic activities involving the combustion of fossil fuels. The driving force for the design and implementation of emission control strate- gies aimed at improving air quality has been the protection of the health of the population in urban centers. There are, however, other consequences of the pres- ence of air pollutants besides the direct effect on human health. Reduced visibil- ity, damage to monuments and buildings, and many other such consequences indirectly affect our quality of life. Another set of consequences involves damage to ecological systems. In fact, the nature of "photochemical smog" was first uncovered in the 1950s in connection with observations of its harmful effects on crops | | 出版日期 | Book 2002 | | 關(guān)鍵詞 | Air pollution; air quality; climate; emission; emissions; environment; forest; health; hydrology; nitrogen; po | | 版次 | 1 | | doi | https://doi.org/10.1007/978-0-387-22520-3 | | isbn_softcover | 978-1-4684-9573-7 | | isbn_ebook | 978-0-387-22520-3Series ISSN 0070-8356 Series E-ISSN 2196-971X | | issn_series | 0070-8356 | | copyright | Springer Science+Business Media New York 2002 |
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