ASHRAEwill present its fall professional development seminars online in an effort to make learning about the latest technical information related to humidity and chilled water plants as easy as possible. Humidity Control I and II was scheduled to take place early in October and Optimizing the Design and Control of Chilled Water Plants is scheduled for November 3-4, 2005. For more information or to register, visitwww.ashrae.org/onlinepds.