The growth of Colorado's mountain communities and "green" development are among the topics to be discussed at the University of Colorado Real Estate Council's 2007 conference on Wednesday, Feb. 28, from 7:30 a.m. to 4 p.m. Held annually, the conference will feature outlooks from national and local experts on real estate and capital markets. Co-sponsored by the CU-Boulder Leeds School of Business and the Urban Land Institute, it will be held at Denver's Westin Tabor Center at 1672 Lawrence St.