Summer Olympic Games federal government; the country's economic crisis; health and safety concerns surrounding the Zika virus and significant pollution in the Guanabara Bay; and a state-sponsored doping scandal involving Russia, which affected the participation of its athletes in the Games. Tokyo, Japan will host the 2020 Summer Olympics, making it the first Asian city to host the Olympic Games twice. Forty-two sports, spanning 55 disciplines, have been part of the Olympic program at one point or another. Twenty-eight sports have comprised the schedule for three of the recent games, 2000, 2004, and 2008 Summer Olympics. Due to the removal of baseball and
Youth Olympic Games than their senior equivalents. The most recent Summer YOG was the 2018 Summer Youth Olympic Games of Buenos Aires. The next Winter YOG to take place will be the 2020 Winter Youth Olympic Games of Lausanne while the 2022 Summer Youth Olympics will take place in Dakar. The concept of the Youth Olympic Games came from Austrian industrial manager Johann Rosenzopf in 1998. This was in response to growing global concerns about childhood obesity and the dropping participation of youth in sport activities, especially amongst youth in developed nations. It was further recognized that a youth version of the Olympic