Cornell University Cooperative Extension

CUCE-NYC and Central Park Conservancy offer their second certification course on urban horticulture and ecology for park employees and volunteers March 4 from 9 a.m. to 4 p.m. The training program, led by Richard Weir of Cooperative Extension, covers soils, geology, woody and herbaceous plant identification and use, turf management, plant diseases and ecosystem management. Information: Veronique Lambert, 212-340-2983.

Cornell Club

"The Economy" with Dan Gross '89, March 4, 6 p.m. Gross is one of the most widely read financial and economic writers at work today. He is a senior editor at Newsweek, where he writes the "Contrary Indicator" column. He also contributes to Slate's twice-weekly "Moneybox" column. Information: Kerry Strassel, 212-692-1381. Members only.

ILR School -- THIS EVENT HAS BEEN CANCELED

"New York Leadership After Katrina: Rebuilding Louisiana Through Culture" with Lt. Gov. Mitch Landrieu, who created Louisiana's Cultural Economy Initiative, designed to generate jobs through the state's food, music, arts, film and architecture. Institute for Workplace Studies Colloquium Series, March 4, 6:30 p.m. at the Cornell Club.

Johnson School

Johnson School EMBA information session, March 4-5, 6 p.m., Cornell Club. For midcareer managers, executives and senior professionals. Cornell Executive MBA students earn the degree in 22 months without career interruption by attending alternate weekends. Information: Rachel Shelton 607-229-4340, rvs36@cornell.edu.

Weill Cornell Medical College

"Integrative Harm Reduction Psychotherapy for the Treatment of Drug and Alcohol Problems: Rationale, Theory and Technique." Community and Public Health Programs Clinical Rounds with guest speaker Andrew Tatarsky, Harm Reduction Psychotherapy and Training Associates. March 2, 1 p.m., Kips Bay Building, 411 E. 69th St.