Bach criticised those who want to see the Olympic Games as a business model.
The IOC is considering the move because temperatures in Tokyo during the July 24-August 9 Games could reach the high 30s Celsius.
Qatar finished second in Morocco Royal Tour Nations Cup in Rabat, which was a Tokyo Olympics qualifying event.
Olympic tickets can only be resold through an official Tokyo 2020 resale site, and organisers warned that any tickets bought via other resellers would also be invalidated.
The mascot, named "Bing Dwen Dwen," is a chubby giant panda wearing a suit of ice while a blushing red lantern named 'Shuey Rhon' is the mascot of Paralympic Winter Games.
Okamoto insisted she wants to be recognised by her peers in the skateboarding scene.
Kimiyuki Nagashima, executive board member of the Japan Medical Association, also cautioned against the risk of communicable diseases.
Tokyo Olympics organisers dismissed claims that the emblem is a political statement and said they will allow the flag at the 2020 Games.
But on Sunday in the Japanese capital with the temperature a slightly cooler 30 Celsius, the levels of bacteria reduced to within permitted levels.
The 50-year-old man was found lying on the ground under a scorching sun on Thursday afternoon at the site where he had been laying electric cables.
The petite schoolgirl is used to punching above her weight -- since taking up karate in kindergarten she has done much to boost the profile of the Japanese martial art, set to make its Olympic debut next year.
Hundreds of thousands of people are expected to attend Olympic and Paralympic events in Tokyo during the 2020 Games, putting additional strain on the city's already notoriously crowded commuter routes.
Despite a construction boom, Tokyo could be short as many as 14,000 rooms given an expected surge of Olympics-related tourism, according to researchers.
The announcement comes less than a week after Sheikh Fahad Nasser Sabah Ahmad Al Sabah was elected President of the KOC.