[email protected], a new series of free interactive global e-learning discussions on relevant topics led by Harvard faculty, will hold its first online event Friday, Nov. 19, beginning at 6 p.m. The program is sponsored by the Dean of Students Office at Harvard Extension School.The inaugural [email protected] discussion will be led by Harvard School of Public Health Professor Jack Spengler, who has conducted research in the areas of personal monitoring, air pollution health effects, indoor air pollution, and a variety of environmental sustainability issues. For this event he will discuss how corporations are retooling to meet the challenges of sustainability.The format for the event includes a 30-minute lecture with 30 minutes of Q & A submitted by active participants from around the world. While active participation is limited to Harvard Extension School students and alumni, members of the Harvard University community are invited to join in as interested observers at http://alumni.extension.harvard.edu.Spengler is the Akira Yamaguchi Professor of Environmental Health and Human Habitation and director of the Harvard Extension School’s graduate sustainability and environmental management program. He chaired the committee on Harvard Sustainability Principles and served on Harvard’s Greenhouse Gas Task force to develop the University’s carbon reduction goals and strategies. His service on several National Academy of Sciences committees has included chairing the green schools committee, and advising the World Health Organization on indoor air pollution. He has won numerous prestigious awards for his work on the environment.Greater detail on the event and log-in information may be found on the Harvard Extension School Alumni Association website.