I lived in Houston for a year and walked 2 mi home from school every day. While I would agree that the humidity (more so than the heat per se) was profoundly st

I lived in Houston for a year and walked 2 mi home from school every day. While I would agree that the humidity (more so than the heat per se) was profoundly stifling to outdoor aspirations, my experience suggests that if a place is interesting enough and if meaningful destinations can be reached by foot, people will nevertheless walk there, in almost any climate.