> What really saves London are the vast number of remarkably large parks and tree cover. I don't disagree that shade is a good idea. But what really helps Lond

> What really saves London are the vast number of remarkably large parks and tree cover. I don't disagree that shade is a good idea. But what really helps London is it's vastly milder climate [0] caused by the Gulf Stream. [0] https://weatherspark.com/compare/y/20957~45062/Comparison-of-the-Average-Weather-in-Washington-D.C.-and-London#Figures-Temperature https://weatherspark.com/compare/y/20957~45062/Comparison-of...