Hi, Kevin Trenberth, Distinguished Scientist at the National Center for Atmospheric Research; and a lead author of the Intergovernmental Panel on Climate Change (IPCC) report leading to the 2007 nobel peace prize; will give two talks on climate change as follows: Physics Colloquium: Thursday Sept. 18th, 4:10pm in BPS1415 "Earth's energy balance revisited" coffee and cookies in BPS 1400 at 3:45pm. Public Lecture: Thursday Sept. 18th, 8:00pm in BPS1410 "Climate change assessment. It's about the data isn't it?" refreshments in the BPS atrium at 7:30pm The poster for the public lecture is attached. If you would like to meet with Dr Trenberth (he has some availability morning and afternoon), or have dinner with him prior to the public lecture (at Kellogg center - limited to 14) please contact Kim Crosslan ([log in to unmask]). Phil