Thursday, January 14, U.S. Department of Energy Undersecretary Steve E. Koonin will speak at UCSB’s Campbell Hall (574 Mesa Rd.) about how development and population growth in America are placing unrealistic demands on global and natural resources. Sustainability and environmental buffs shouldn’t miss Koonin’s speech, as the speaker will reveal how his powerful governmental agency plans to secure our country’s energy supply and manage greenhouse gas emissions in the years to come. The talk begins at 3 p.m.; admission is free. Call 893-2317 for more info.