Siberian Center for Environment Research and Training (SCERT) together with the Institute for Numerical Mathematics RAS (INM), Institute of Monitoring of Climatic and Ecological Systems SB RAS (IMCES), Siberian Federal University and Institute of Computational Modeling (ICM) SB RAS with the support of the Asia Pacific Network held the eleven-day scientific educational action comprising International Young Scientists School on Computational Information Technologies for Environmental Sciences (CITES-2009) with the International Conference devoted to the same theme on July 5-15, 2009.