CHONGMING District will step up developing green transportation and improving its traffic as part of its plan to create a “world-class ecological island,” authorities said yesterday.

All buses on the island will be new-energy vehicles by 2020 and 80 percent of travel will be public transport, under a blueprint for the island’s development.

A Metro line to connect Chongming with the city proper has been approved by the city government and has been submitted to the National Development and Reform Commission for approval, Tang Hailong, governor of Chongming said yesterday. The line will connect east Chongming to Pudong New Area.