It is reported that Shanghai Metro Line 4 Pu Circuit Station on the basis of the original "one hundred bags" special services, and Sina Weibo hand in hand, produced a number of beautiful, practical and generous "love green bags", free to have the necessary loans Of passengers, the passengers only need to be returned to any one of the 4 stations can be used after the end of use. At the scene of the event, the subway staff also issued an initiative to reduce the personal carbon footprint and develop energy-saving habits through a series of low-carbon behaviors such as turning off the lights, separating and recycling of wastes, using energy-saving appliances and low-carbon public transport using public transport, , To achieve a low-carbon life.