October 5, 2023, 2:07 PMA woman walks a dog as children cool off and play at a fountain in Madrid Rio during the elections campaign as Spain faces another heatwave on July 19, 2023 in Madrid, Spain.Major cities around the world have experienced alarming temperature increases in recent years, new research shows.
Major cities around the world have seen significant increases in average temperatures since 2019, new research shows.Tallinn, Estonia, saw a 15.8% rise in average temperatures; Helsinki, Finland, experienced a 14.93% increase in temperatures; and Seoul, South Korea, saw a 10.03% change in average temperatures, according to the study.
Men and women use umbrellas and parasols to seek relief from the heat while crossing a street in Tokyo, July 30, 2023.The last two decades have also shown significant increases in average temperatures in some cities, the study found. The city with the largest change in average temperatures since 2004 was Ottawa, Canada, increasing by 31.35%. Seoul has seen a 20% increase since 2014, according to the research.