PDF URBAN ROADSIDE TREES AP
Int.
J. Environmental Technology and Management, Vol. 12, No. 1, 2010
Copyright
© 2010 Inderscience Enterprises Ltd.
Responses
of the urban roadside trees to traffic environment
1
Introduction
Air
pollution resulting from higher traffic volumes has become a threat on the
traffic
environment. The roadside trees have been polluted by all kinds of pollutants
such
as SO2,
NOx and Pb and Cd. Automobiles emit fluoride adding to pollutants from
industries.
The level of pollutants has been measured by plant monitors in an effort
to
improve the health of roadside trees. 
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