in QuickList Lecture 2 Air Pollution Systems 56:28 Lecture Series on Environmental Air Pollution by Prof. Mukesh Sharma , Department of Civil Engineering IIT Kanpur. For more details on NPTEL visit nptel.iitm.ac.in - Environmental Air Pollution Video Lectures, Environmental Air Pollution Course Videos, Civil Engineering Video Lectures, NPTEL Video Lectures, IIT Video Lectures, NPTEL Civil Engineering Videos, IIT Civil Engineering Video Courses