The 2013 Macao International Environmental Cooperation Forum & Exhibition kicked off Thursday, with a series of green activities to showcase the latest products, technologies and related services in the environmental industry.The activities include forums and seminars, exhibition, business matching, Green Public Day and technical visits, said organizers of the three-day event held with the theme of \" Sustainable Cities The Way Towards a Green Future\".The annual event this year has attracted more than 400 exhibitors from 20 countries and regions, occupying an area of 16, 000 square meters.Hosted by the government of Macao Special Administrative Region and coordinated by Macao Trade and Investment Promotion Institute and Environmental Protection Bureau, the forum is aimed to serve as a platform for environmental protection industries between the Pan-Pearl River Delta Region and the international market.