Â鶹ÒùÔº

William Toor, mayor of Boulder and director of the CU Environmental Center, will present the next seminar in the university's Earth Systems Engineering Initiative on Wednesday, April 25. "Sustainability and Cities" will be presented from 5 p.m. to 6 p.m. at the Coors Events/Conference Center, room 4. The seminar, which is free and open to the public, will address the steps that cities can take to reduce emission of greenhouse gases and to create more sustainable buildings. The seminar will focus on the experience in Boulder and on current policy debates.

The University of Colorado Friends of the Libraries will present a lecture on "A Century of Alcohol in Boulder" on Wednesday, May 2, at 7 p.m. in room 150 of the Eaton Humanities Building on the CU-Boulder campus. The talk will be given by Bob Maust, a research associate at CU-Boulder and project director of the A Matter of Degree program, which addresses drinking problems on campus. In his work, Maust collaborates with the Harvard School of Public Health and the American Medical Association to research and reduce alcohol abuse among university students.

Editors: Ryan Neil Owen's roommate, Kody Busch, is willing to answer questions related to the upcoming memorial and can be reached at (303) 442-0234. A memorial service for Ryan "Neil" Owen, of Lake Charles, La., a University of Colorado at Boulder student who died unexpectedly April 3, is being held Saturday, April 21, from 3 p.m. to 5 p.m. in Eaton Humanities Building room 150. Owen, 23, who was known as Neil to friends and family, was a senior at CU-Boulder majoring in film studies. He was born on Dec. 31, 1977 in Landsthul, Germany.

Eight faculty members have received awards from the Implementation of Multicultural Perspectives and Approaches in Research and Teaching program at the University of Colorado at Boulder for 2001, according to Ofelia Miramontes, associate vice chancellor of diversity and equity. The goal of the IMPART program is to further develop a campus environment that supports and encourages gender, ethnic and cultural diversity in approaches to scholarly work and teaching.

Four tiny University of Colorado at Boulder experiments will be lofted by a large helium balloon from Windsor, Colo., to a height of about 17 miles before drifting back to earth on the eastern plains via parachute on Saturday, April 21.

Susan Johnson, an assistant professor of history at the University of Colorado at Boulder, has won a 2001 Bancroft Prize - one of the most prestigious honors a scholarly work of American history can receive - for her first book "Roaring Camp: The Social World of the California Gold Rush." The Bancroft Prize, established at Columbia University in 1948, is awarded annually to authors of works in the categories of American History and Diplomacy.

Calendar Item Fiske Planetarium at the University of Colorado at Boulder will tour the seven wonders of the ancient world during "Seven Wonders" on Friday, April 27, at 7:30 p.m. at the planetarium. Burt Lancaster will guide the pre-recorded tour that also will take the audience on a search for the seven wonders of the solar system and universe.

The booms and bangs of chemical reactions will sound on the University of Colorado at Boulder campus on Saturday, April 28, when CU Wizard Tarek Sammakia presents his show about chemical reactions and pressure change at 9:30 a.m. in Cristol Chemistry room 140.

Three tiny unmanned airplanes equipped with sophisticated instruments are buzzing over the Arctic sea ice near Barrow, Alaska, providing University of Colorado at Boulder researchers with new atmospheric and environmental data.

Hundreds of students from throughout Colorado will converge on the University of Colorado at Boulder campus to present a slew of unique projects, many a year in the making, during the 20th annual Colorado History Day. About 700 students in grades six through 12 will compete in the event on Saturday, April 28, from 8 a.m. to 4:30 p.m. on the CU-Boulder campus. The students will present projects, all stemming from a historical theme chosen by the program's national coordinators. This year the theme is "Frontiers in History: People, Places and Ideas."