Abstract
The Olympic Games claim to be exemplars of sustainability, aiming to inspire sustainable futures around the world. Yet no systematic evaluation of their sustainability exists. We develop and apply a model with nine indicators to evaluate the sustainability of the 16 editions of the Summer and Winter Olympic Games between 1992 and 2020, representing a total cost of more than US$70 billion. Our model shows that the overall sustainability of the Olympic Games is medium and that it has declined over time. Salt Lake City 2002 was the most sustainable Olympic Games in this period, whereas Sochi 2014 and Rio de Janeiro 2016 were the least sustainable. No Olympics, however, score in the top category of our model. Three actions should make Olympic hosting more sustainable: first, greatly reducing the size of the event; second, rotating the Olympics among the same cities; third, enforcing independent sustainability standards.
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Data availability
The dataset and statistical analysis are available in the mega-event dataverse on Harvard dataverse at https://doi.org/10.7910/DVN/ZARR6A.
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Acknowledgements
We thank all who collaborated with us on the data collection. We are grateful to F. Bavaud, J. Grieshaber, J.-W. Lee, C. Guala and K. Peter for contributing to this paper in their own ways. The Swiss National Science Foundation (SNSF) funded the research of this paper under the grant Mega-events: growth and impacts, grant number PP00P1_172891.
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M.M. designed the research, analysed the data and wrote the manuscript. M.M., S.D.W., C.G., M.H. and A.L. developed the database. M.M., S.D.W., D.G., M.H. and A.L. collected and assembled the data.
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Peer review information Nature Sustainability thanks Meg Holden, John Short and the other, anonymous, reviewer(s) for their contribution to the peer review of this work.
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Supplementary information
Supplementary Table 1
Indicators for conceptual model of sustainability of the Olympic Games.
Supplementary Table 2
Bivariate correlations among indicators.
Supplementary Data
Output of statistical tests performed.
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Müller, M., Wolfe, S.D., Gaffney, C. et al. An evaluation of the sustainability of the Olympic Games. Nat Sustain 4, 340–348 (2021). https://doi.org/10.1038/s41893-021-00696-5
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DOI: https://doi.org/10.1038/s41893-021-00696-5
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