This document discusses the establishment of a Ukrainian World Data Center (UbWDC) for Geoinformatics and Sustainable Development through partnerships between the Institute for Applied Systems Analysis of the National Academy of Sciences of Ukraine and the Geophysical Center of the Russian Academy of Sciences. [1] The UbWDC will focus on collecting and processing various types of data related to sustainable development, including environmental, economic, social, and geophysical data. [2] It will provide data services such as global simulations, modeling, databases, and geographic information systems to support the study of complex natural and human systems. [3]