This working paper presents objectives, methods and the empirical basis of the international working group InterPIG. The members of the group act within an informal network as a base for a mutual exchange of data needed for a unique way to annually calculate the costs of pig production and to...

The European Water Framework Directive is shaping a new conception of integrative water protection. In this article, the consequences of the Water Framework Directive in respect to national environmental policy will be discussed in referring to the notion of responsibility which is a central...