The Center for Sustainable Enterprise will host a talk about how global business is addressing climate change on Tuesday and Wednesday at the McColl building on the UNC campus. Keynote speakers include Cathy Zoi, assistant secretary for energy efficiency and renewable energy for the U.S. Department of Energy, and Jim Rogers, president and CEO of Duke Energy. Attendance is limited to 100 people and the fee is $375; the webcast, also limited, costs $25. More information and registration is available at kenan-flagler.unc.edu/cse/global-innovations-in-energy.cfm