The Remote Sensing Division of the Mace Head Atmospheric Research Station is run by the Centre for Climate & Air Pollution Studies (C-CAPS) at NUI Galway and supported by Irish Environmental Protection Agency (EPA), Irish Aviation Authority (IAA), and Science Foundation Ireland (SFI). Remote Sensing at Mace Head also benefits from involvement in Cloudnet; European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases ACTRIS and ACTRIS-2 (grant agreement numbers 262254 and 654109); European FP7 collaborative project BACCHUS (Impact of Biogenic versus Anthropogenic emissions on Clouds and Climate: towards a Holistic UnderStanding, grant agreement number 603445); and COST action ES1303: TOPROF (Towards operational ground based profiling with ceilometers, doppler lidars and microwave radiometers for improving weather forecasts) supported by COST (European Cooperation in Science and Technology).