The garden hosted its first International Climate Change Forum on that day, featuring national and international experts, including Dr. Ashok Khosla, former chairman on the UNEP; Fred Krupp, president of the Environmental Defense Fund; Mary Grade, former regional administrator for EPA region 5; Suzanne Malec-McKenna, commissioner of the Department of the Environment for the City of Chicago; John Rowe, chief executive officer of the Exelon Corporation; Arthur J. Gibson, vice president of environment, health & safety for Baxter International; and Arthur Armishaw, chief technology and services officer for HSBC—North America.