4:14 Environmental Ethics: Our Moral Obligation to Nature 12:42 Environmental Ethics, part 1 1:23 Developing Environmental Ethics Awareness 4:27 One Earth - Environmental Short Film 6:06 Ethical dilemma: Whose life is more valuable? - Rebecca L. Walker 6:22 Environmental Ethics 11:59 Environmental ethics 11:56 Zoocentrism (Environmental Ethics) 8:59 Anthropocentrism (Environmental Ethics) 1:12 How Do You Define Environmental Ethics? 12:58 1. Introduction & Outline [Environmental Ethics] 4:57 Environmental Ethics: Deep Ecology 3:06 Environmental Ethics in Engineering 11:26 Environmental Ethics, part 2 11:39 Environmental Ethics