Professor Carmen de Jong says @Beijing2022 "could be the most unsustainable #WinterOlympics ever held" amid concerns using artificial snow at the National Alpine Ski Centre in #Yanqing#Beijing2022 #Climatechange #Olympicshttps://t.co/yI6AmKZS3N

— insidethegames (@insidethegames) November 8, 2021