EC ENVIRONMENT Project “Chemical and Dynamical Influences on Decadal Ozone Change (CANDIDOZ)”, (Coordinator E. Kyro), 2002-2005.
EC ENVIRONMENT Project “Quantitive Understanding of Ozone Losses by Bipolar Investigations (QUOBI)”, (Coordinator P. von der Gathen), 2002-2005.
EC FP6 Integrated Project ”Stratosphere-Climate Links with Emphasis On The UTLS (SCOUT O3)”, (Coordinator N. Harris), 2004-2009.
National project “Greek national network for UV-Monitoring (UVNET)”, (Coordinator A. Bais), 2003-2006.
EC FP6 Integrated Project “Quantifying the climate impact of global and European Transport Systems (QUANTIFY)” (Coordinator R. Sausen), 2005-2010.
EC FP6 Integrated Project “Global and regional Earth-system Monitoring using Satellite and in-situ data (GEMS)”, (Coordinator T. Hollingsworth), 2005-2010.
EC FP6 Integrated Project “Climate Change and Impact Research: The Mediterranean Environment (CIRCE)”, (Coordinator A. Navara), 2007-2011.
EC FP6 Integrated project “Global Earth Observation and Monitoring (GEOmon)”, (Coordinator P. Ciais), 2007-2011.
EC FP6 Project “Air Quality Monitoring and Forecasting in China (AMFIC)”, (Coordinator R. Van der A), 2007-2009.
EC FP7 Project “Monitoring Atmospheric Composition and Climate (MACC)”, (Coordinator A. Simmons), 2009-2011.
ESA Project “Building consolidated climate-relevant ozone data sets in the framework of the ESA' s climate change initiative (ESA CCI)” (Coordinator M. van Roosendael), 2010-2013.
EC FP7 Project “Data repositories and Computational Infrastructure for Environmental and Climate Studies in the Eastern Mediterranean (DARECLIMED)”, (Coordinator M. Lange), 2011-2013.