Central and East European needs for environmental care

There are some special problems in Central and Eastern European countries connected with environmental assessment, which is a prerequisite for reasonable environmental care. Individual steps of solution of environmental problems are briefly discussed and relevant difficulties are stressed. A new schema is suggested for quality assurance and validity systems of primary data generation and evaluation.The challenge is not so much to discover what must be done to ensure sustainability. The challenge is to discover how to do it.Robert Repetto