The 2015 Joint Assembly will be held 3-7 May 2015 at the The Palais des congrès de Montréal, located at 201, Viger Street West, Montreal, QC H2Z 1X7, Canada. Cosponsored by AGU, CGU, GAC, and MAC, the Joint Assembly will consist of a diverse program covering topics in all areas of the geophysical sciences.