In today's world, energy resources are considered to be essential for developing and sustaining economic activities. Also, the importance of energy is judged from a security point of view. Ever since curtailing global warming and preserving an inhabitable environment for our future generations has become an inalienable portion of economic development in recent decades, there has been a rising international debate on how mankind should utilize various sources of energy. Based on broader knowledge of features, advantages or disadvantages, and commercial values of various types of energy and resources, this course will aim to analyze the usage of such resources, and to evaluate the validity of regional and major economies' energy policies, with a perspective of forecasting the future of respective energy portfolios.