2015 CCWG Workshop Presentations Update of DOE ACME Philip Cameron-Smith Update of FAST-J Philip Cameron-Smith for M. Prather CAM4-chem in CCM1 Simone Tilmes, NCAR-CGD/ACD Impacts of future nitrogen deposition on global ecosystems Maria Val Martin Overview of chemical data assimilation activities in CAM-Chem DART Jerome Barre Priorities for CESM2 and other development Discussion