Federer, die CS und das Klima

20 min D zu Federer:  

https://www.20min.ch/sport/tennis/story/Roger-Federer-lobt-Greta-und-die-Klimajugend-26108918

20min F :                    

https://www.20min.ch/ro/sports/tennis/story/Federer-encense-Greta-et-les-jeunes-militants-20751708