1. Official Journal of the European Communities. Directive 2000/60/EC of the EP & of the Council of 23 October 2000 establishing a framework for Community action in the field of water policy. 2000, L327:1-L327:72http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri =OJ:L:2000:327:0001:0072:en:pdf
2. A Definition of “Carbon Footprint”;Wiedmann,2008