41 Education services, namely, providing live and on-line classes, seminars and workshops in the field of energy conservation and sustainable design; education services, namely, providing mentoring, tutoring, classes, seminars and workshops in the field of energy conservation and sustainable design, educational services, namely, conducting informal on-line programs in the fields of energy conservation and sustainable design, and printable materials distributed therewith; educational services, namely, conducting informal programs in the fields of energy conservation and sustainable design, using on-line activities and interactive exhibits, and printable materials distributed therewith; educational services, namely, conducting on-line exhibitions and displays and interactive exhibits in the field of energy conservation and sustainable design; educational services, namely, conducting programs in the field of energy conservation and sustainable design; educational services, namely, conducting classes, seminars and workshops in the field of energy conservation and sustainable design and distribution of course material in connection therewith