what does redlining and summer heat have in common Unfortunately a very detrimental effect on inner city neighborhoods in this piece written by me talk about the devastating impact that historic red lining in Philadelphia currently has on many black neighborhoods city controllers office learn that Philadelphia is actually called one of the country’s most racially segregated cities and due to that segregation those neighborhoods saw less investment many of them also had less green spaces featured more dark surfaces were closer to pollution centers thus having a detrimental and dangerous impact on the health of vulnerable residents in those neighborhoods more on the story head to the Philly Download stay informed