With the rapid and unplanned industrialization the human society is facing different environmental problems due to variety of destructing activities. There is an urgent need to stop further degradation of nature or at least keep it under control. We have to decide and choose the right code of conduct which calls the human conscience and environmental ethics. Environmental ethics are our beliefs about our social, moral and scientific behavior towards the nature concerning what is right or what is wrong. There are several approaches to environmental ethics. Present paper deals with certain principles which are recognized as environmental ethics. Some ethical justifications are discussed with reference to moral sense, spiritual thinking and practical utility on the grounds of present need and the future of our next generation.