SUMMARY：

In recent years, the Shenzhen Bay pollution, the Red tide of the Mirs Bay and the expansion project of LNG have all attracted public attention to the marine ecology. How to enhance the awareness of protecting the marine ecological environment and promote the coordinated and sustainable development of ocean and city? This Cool Chat will take the marine ecological bottom line as the background to explore the status quo and problems of marine ecological environment in Shenzhen, and the question of how to define the ecological bottom line so that it wil be more conducive to the protection of marine ecological environment.