Environmental education is the most discussed subject in the present time. It becomes the central issue not only for Bangladesh context as well as in the international debate in the early part of twenty first century. The environmental education has become an important issue due to present global agenda of sustainable development. Environmental science is the science of the relationship between man and the natural world in which he lives. It is an interdisciplinary academic field that integrates physical and biological sciences (including physics, chemistry, biology, geology, soil science and geography) and social sciences (economics, demography, political science and humanities). This course will help us to know and increase our knowledge about environmental elements and systems and different global and national environmental issues.