AMHERST, Mass. - Michael Mann, of the University of Massachusetts geosciences department, is scheduled to participate in a high-profile forum next week in Washington D.C., exploring the relationship between global climate change and its possible impacts on society and the environment. The event, sponsored by the U.S. Global Climate Change Research Program, is scheduled for Mon. July 20, from 3:15-4:45 p.m. at the Dirksen Senate Office Bldg., Room G11. Mark Meier of the University of Colorado, Boulder, will also speak. The seminars are generally attended by congressional representatives and members of the media.