摘要：Introduction
In the current era, increased attention is being paid to protect the
environment in developing countries. The concern stems primarily from
recent advances in information concerning health problems associated with
pollution. The extent of the deep-seated dangers present has motivated
detailed studies and consequent pollution abatement programmes to be
adopted by several countries. However, the evaluation of projects and policy
reform for environmental effects in Pakistan has been rare. The task thus is
posed to provide credible estimates of the benefits that can be provided by
pollution abatement, and the corresponding costs
