Global Water Partnership Ukraine opens an online course of lectures on Integrated Water Resources Management (IWRM) in the climate change conditions: Ukrainian experience. - Introductory lecture, Features of the Transition to the IWRM in Post-Soviet Countries, by Andriy Demydenko, EU EPIRB project; - Lecture 1, EU Water Framework Directive: General Principles and Methodology for Ecological Status Assessment, by Serhiy Afanasyev, Institute of Hydrobiology, National Academy of Sciences of Ukraine; - Lecture 2, Hydromorphological Assessment of River Water Bodies, by Oleksandr Obodovsky, Kyiv Shevchenko National University; - Lecture 3, Mathematical Modeling for Decision Support in Water Resource Management, by Mark Zheleznyak, Institute of Mathematical Machines and Systems, National Academy of Sciences of Ukraine.