Research reveals which green spaces offer the most relief from sweltering temperatures, with some locations cooling the air significantly.

On a hot summer day — like much of the U.S. is experiencing now — the places most likely to be a little cooler are green spaces. Botanical gardens cool the air most efficiently, according to a 2024 study led by researchers at the University of Surrey in England. It found that the temperature difference between a botanical garden and other parts of the surrounding city was 5 degrees Celsius…





