On July 9, the World Federation of Engineering Organizations (WFEO) organized a side event of United Nations High-level Political Forum on Sustainable Development (HLPF) virtually with the theme “How the Lever of Science and Technology Can Be Used in Peri-urban and Urban Environments to Advance Sustainable Development: the Case of Implementing Geospatial Engineering”. This side event was supported by the Permanent Mission of the People’s Republic of China to the UN. The side event invited four leading global experts to discuss the topics, such as geospatial technology, building information modeling (BIM) and big earth data. Guo Huadong, as the member of 10-Member Group to Support the Technology Facilitation Mechanism (TFM), spoke about “Big Earth Data for Urban and Peri-urban Sustainable Development”.