4:20 An Introduction to Environmental Engineering 4:09 Introduction to Environmental Engineering [Lecture] 12:57 Introduction to Environmental Engineering 3:07 Introduction to Environmental Engineering | Christ OpenCourseWare 11:41 Is Environmental Engineering Degree Worth It? 4:27 Introduction to Environmental Engineering and Science 12:02 Introduction to Environmental Engineering 5:14 Introduction to Environmental Engineering: Sustainability and Impact 1:07 Introduction to Environmental Engineering - Module 1A