Modesto Junior College’s weekly Science Colloquium will kick off the fall semester series with the topic “Global Climate Change Update” presented by Richard Anderson, Ph.D., MJC professor emeritus of biology, on Wednesday, Sept. 20 at 3:15 p.m. in the Science Community Center, Room 115, on West Campus, 2201 Blue Gum Ave., Modesto. The Colloquium series offers one hour discussions on timely science-related topics, and is free and open to the public. There is a $2 charge for on campus parking without a permit.