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Environ Monit Assess. 2006 Aug;119(1-3):557-69. Epub 2006 Jun 2.

Understanding urban vehicular pollution problem vis-a-vis ambient air quality--case study of a megacity (Delhi, India).

Author information

1
National Environmental Engineering Research Institute, Nehru Marg, Nagpur, 440 020, India. goyalsvap@rediffmail.com

Abstract

Air pollution has become a growing problem in megacities and large urban areas through out the globe, and transportation is recognized as the major source of air pollution in many cities, especially in developing countries. Contribution of automobiles is reported in the range of 40 to 80% of the total air pollution. The challenge facing megacities is how to reduce the adverse environmental impacts and other negative effects of transportation without giving up the benefits of mobility. The dilemma becomes most pressing under conditions of rapid urban growth, which is likely to increase travel demand significantly. The paper is aimed at understanding the problem of vehicular pollution vis-a-vis ambient air quality for a highly traffic affected megacity, Delhi, wherein, the contribution of transport sector was estimated to be as high as 72%. An effort has been made to review and evaluate the benefits (in terms of improved air quality) of the technological interventions/policies adopted for vehicular pollution control in Delhi. It also highlights the outcome of the efforts and suggests further improvements thereon. The importance of public participation and awareness are also discussed. The paper focuses on deriving the benefits of the implementation of management strategies, supported by scientific and technical data/interpretation, so that the people can realize and participate in the government's endeavor for clean city drive in a more effective manner.

PMID:
16741810
DOI:
10.1007/s10661-005-9043-2
[Indexed for MEDLINE]

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