Calendar Alumni Association (September 1 through November 30) Friday, September 2 8:00 PM Blasted Wednesday, September 14 5:00 PM BUzzlab Open House Friday, October 28 12:45 PM EH Gijs van Seventer Seminar: The Global Burden of Disease attributable to ambient air pollution: Estimates of current burden and 25-year trends from the GBD 2015 study