Could computer simulation models drive our ambitions to sustainability in urban and non-urban environments? Digital twins, defined here as real-time, virtual replicas of physical and biological entities, may do just that. However, despite their touted potential, digital twins have not been examined critically in urban sustainability paradigms—not least in the Sustainable Development Goals framework. Accordingly, in this Perspective, we examine their benefits in promoting the Sustainable Development Goals. Then, we discuss critical limitations when modelling socio-technical and socio-ecological systems and go on to discuss measures to treat these limitations and design inclusive, reliable and responsible computer simulations for achieving sustainable development.
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This paper was made possible through the support of a grant from Templeton World Charity Foundation, Inc. The opinions expressed in this publication are those of the author(s) and do not necessarily reflect the views of Templeton World Charity Foundation, Inc. We thank Y. Chen from the University of Melbourne for supporting the production of Figs. 1–3.
A.T., C.E.R., S.S. and M.A. declare no competing interests. A.R. manages the Centre for Spatial Data Infrastructures and Land Administration (CSDILA) at the University of Melbourne. CSDILA developed the Fishermans Bend Digital Twin proof of concept in partnership with the Department of Environment, Land, Water and Planning (DELWP), State Government of Victoria, Australia.
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Tzachor, A., Sabri, S., Richards, C.E. et al. Potential and limitations of digital twins to achieve the Sustainable Development Goals. Nat Sustain 5, 822–829 (2022). https://doi.org/10.1038/s41893-022-00923-7
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