The Mechanical Contractors Association of America will unveil its “Green 101” course at its annual conference, Feb. 25-March 1, 2007, in Orlando. The course is part of the National Education Initiative and will focus on the basics of what it takes to do profitable work in the emerging green building area. It will be taught by Professor Tim Wentz of the University of Nebraska-Lincoln, a three-time MCAA Educator of the Year winner.