2015 environmental public events included disasters，environmental pollution，environmental protection activities，environmental policy and others，and the cases of “Tianjin Tanggu explosion”，“Fujian PX explosion”，and “The strongest storm in 13 years of Beijing”. The Public Opinion Research Laboratory of Shanghai Jiaotong University analyzed and compared 169 environmental cases from 2013-2015，including basic characteristics of the public events，and so on. The analysis also focused on the significant environmental cases in the 2015. The results pictured an overall situation of the environmental public events in China. It is suggested that，firstly，related parties should establish and improve the information management mechanism of environmental cases，secondly，organizations should respond to the public actively to avoid secondary disasters of public opinion，thirdly，government departments should improve the professional cognitive level about the environment，and finally，the official announcements should be humane and easy to understand.