Heat that builds up underground doesn’t really ever leave and eventually causes big problems. Here is a recent example in Chicago: https://www.nytimes.com/2023/

Heat that builds up underground doesn’t really ever leave and eventually causes big problems. Here is a recent example in Chicago: https://www.nytimes.com/2023/07/11/climate/chicago-underground-heat.html https://www.nytimes.com/2023/07/11/climate/chicago-undergrou...