Le futur des sites olympiques dans un monde plus chaud

“Human influence on the climate system is clear.... Warming in the climate system is unequivocal and since 1950 many changes have been observed throughout the climate system that are unprecedented over decades to millennia.” - Intergovernmental Panel on (2)( )Climate Change September 2013 ( April 2013 ) A review of the official post-games reports from the host Organizing Committees to the International (4)Olympic Committee (IOC) from 1924 to 2010 revealed that weather has been an integral part of all past Olympic Winter Games. Success of the games is often partially attributed to favorable weather, while as the statements to the right illustrate, poor weather is highlighted as one of the greatest challenges faced by the organizing committees. In addition to the major influence on all outdoor sports competitions (safe and fair competition surfaces, athlete performance), weather can also affect the ability to prepare for the games (venue construction, ice and snowmaking), outdoor opening and closing ceremonies, transportation of athletes and spectators, comfort of spectators, and visibility for television broadcasts. Weather risk management strategies have allowed some games to avert the misfortune of not being able to deliver the full Olympic program.