“…This principle was proposed by the WDC-Ukraine and was approved by the World Data System as an example for other interdisciplinary centers [4]. The interaction of scientific institutions, including that within the framework of the Russian-Ukrainian segment of the World Data System [11,15], supported by the NAS of Ukraine, Russian Academy of Sciences, and the Russian and Ukrainian Funds for Fundamental Research, allows the WDC-Ukraine and its partners to successfully conduct interdisciplinary research in geoscience, in particular, analysis of complex ecological, social, and economic systems in the context of their sustainable development (ten joint Ukrainian-Russian projects have been completed).…”