Easton Mayor Sal Panto, Bethlehem Mayor John Callahan, Allentown Mayor Edward Pawlowski and Whitehall Mayor Edward D. Hozza, Jr. will discuss green initiatives and sustainability strategies, 11:30 a.m. March 28, Wood Dining Room, Iacocca Hall, Mountaintop Campus, Lehigh University, Bethlehem.

The session, organized by the Lehigh Valley Branch of the Delaware Valley Green Building Council, will be moderated by Amy Burkett, manager of WLVT-TV and host of the Emmy-nominated series "Tempo in Depth."

Reservations: dvgbc. org/event/2013-03