TOKYO — According to a report from a local research group, during the period between the 2060s and 2080s, summer temperatures in three-quarters of Japanese regions will reach such extremes that strenuous physical activities like those involved in school club events might have to be called off. Although the National High School Baseball Championship, widely referred to as "Koshien" and taking place every year at the peak of summer, has implemented a split scheduling system to dodge the most scorching hours of the day, measures against heat for other outdoor sports besides baseball may soon come under scrutiny too. The focus of the collaborative study between the National Institute for Environmental Studies and Waseda University in Tokyo is on understanding how climate change might impact outdoor sporting events. This investigation utilizes the Wet Bulb Globe Temperature (WBGT), an indicator used to issue warnings about heat-related illnesses; however, this metric has ...