"Eco-Model City (EMC) Initiative" reflects policy for realizing low-carbon society and revitalizing community. It is strongly promoted by co-works of many local-governments nationwide including 13 EMCs, central government and concerned organizations. 　At the conference, having 1,169 people as audience, we brought together in one place, worldwide environmentally-friendly cities, the government, and so on, and discussed on sustainable city in future with introductions of best practices and reviews presented by foreign guests.