The 31st International Conference on Geoinformatics is hosted by Toronto Metropolitan University, Univ. of Toronto and Queens University. Chaowei Yang, Center Director of Spatiotemporal I/UCRC, participated in the conference to discuss the future of geographical information science with leaders from 10+ countries. He also visited Laval Univ. and McGill Univ. to identify several initiatives on Digital Twins in Canada and discuss the potential international collaboration on Digital Twins.