World Environment Foundation (WEF) is one of the leading non-profit, non-governmental organizations solely dedicated to the improvement of the environment and the sustainable development. It is a registered society under Societies Registration Act XXI of 1860. WEF established in 1998 has been among the forerunners in leading the environmental movement in India and abroad. One of the means that WEF has adopted in developing all sections of society to enrich their knowledge about environment and development is to organize national and international conferences and workshops focusing on the contemporary issues relating to environment. Continuing this tradition for over 6 years of its existence, WEF has been the organizer and host of six such World Congresses starting from 1999 through 2001, 2002, 2003, 2004, 2005 & 2006. These conferences had been supported by several governmental, nongovernmental organizations, industries, small and medium size enterprises etc. and were attended by large number of people from diverse fields and activities from different parts of the world.