In many developing countries the informal sector, comprised of low-technology unlicensed micro-enterprises, is a major source of pollution. Environmental management in this sector is exceptionally challenging, even by developing country standards. Though clean technologies offer a means of...

The considerable difficulties associated with cross-border environmental management are compounded when polluters are unlicensed micro-enterprises such as auto repair shops and traditional brick kilns; such "informal sector" firms are virtually impossible to regulate in the conventional manner....

Low-technology unlicensed micro-enterprises known as "informal" firms are a significant source of pollution in developing countries that are virtually impossible to regulate in the conventional manner. This paper describes an example of an innovative and promising approach to the problem: the...