Economics and ecology bin us in ever-tight-eningnetworks… Economics and Ecology must be completely integrated in decision-making and law-making processes. The analysis of the environmental management practice lets us conclude that it is necessary to improve the existing procedure of establishment and regulation of ecologically- economical efficiency in order to make optimal nature protection agreements in enterprices. The traditional schemes of environment evalution, motivation and restriction, depending on the influence of integrated quality and quantily of company’s economical activity have several drawbacks and several relevant questions nave not been observed: • the ecological and economical efficiency of the company’s activity is stated according to many criteria, but there doesn’t exist a united one – a synthesizing index; • norms and restrictions but not stimulating parametres dominate the evalution of production unit projects; • companies do not have certain methods for calculating and prognosticating the economic effect which will be given by investment resources protecting, ecological and waste-free technologics; • the necessity to form a united the beneficial methodical basis for the beneficial mutual interaction between government institutions and companies.