Lecture, 3 credits, 3 hours per week. No pre-requisite. This course will introduce world energy consumption and its impacts on the environment. Topics include the exploration and consumption of fossil fuel, renewable energy, and new energy; pollutants emissions and their impacts on multiple environmental media such as the atmosphere, water, and soil; energy system and life cycle assessment; energy conservation, emission control, and sustainable development. Through this course, students will comprehend energy consumption and its impact on the environment and come away with a vision of future direction of the research in this field.