As part of the ZDF SPORTreportage TV show about the preparations in Tokyo for the 2020 Olympic and Paralympic Games, Stefan Klos was interviewed about the sustainability of sport venues. Together with Prof. Dr. Holger Preuss (Sports Economist at the Johannes Gutenberg University in Mainz, Germany) and Alfons Hörmann (President of the DOSB), Stefan Klos gives insights into the considerations on how to make Olympic Games more sustainable and cost efficient.