This course introduces students to the environmental issues from the perspective economics and provides students with economical theoretical and methodological tools to deal with environmental issues. The following modules will be covered in this course, modeling environmental problems, modeling solutions to environmental problems, analytical tools for environmental planning, the case of air, the case of water, the case of solid wastes and toxic substances, global environmental management. Through this course, the students are expected to apply some economic tools to help societies to achieve their environmental goals.