Water and land pollution, both are very dangerous. But, in contrast air pollution has its own peculiarities due to its trans-boundary dispersion of pollutants over the entire world. In any well planned urban set up, industrial pollution takes a back seat and vehicular emissions take precedence as the major cause of urban air pollution. No physical or chemical method is known to ameliorate industrial or traffic air pollution. A suitable alternative way is to grow green plants in and around industries, traffic areas and along roadsides. Response of plants towards air pollution was assessed by...