Global natural resources have been decreasing due to unwise development and overuse. Climate change and warming caused by pollution has led to tremendous impact on earth. Solution regarding how to stop the degradation of earth environment depends not only on technology but on the acknowledging about the basic value of protecting the environment. As such further movement can be activated. This course aims to let students discuss our roles in the environment, ways of dealing with the environmental issues and value of our living world by the viewpoint of philosophy and ethic. The contents of this course is to introduce environmental ethic and issues by lecturing, reading and discussion. In the end, students can get a better understanding and appreciation on environmental ethic, have a sense of environment, and learn how to analyze the issue and come up with solution.