Brussels, 11/06/2001 (Agence Europe) - The current lack of a common set of rules and definitions within the EU concerning environmental issues and the costs involved means that information on this subject communicated by companies is often inadequate and unreliable. Hence the difficulty for investors and other users to form a precise opinion of the impact that environmental factors will have on the performance of a given company, or to compare between companies. In an attempt to remedy this...