Compared to the streets, the air pollution in Philadelphia’s subway is far worse.
The air quality in the City Hall subway station in downtown Philadelphia is much worse than on the sidewalks directly above the station. That is
The air quality in the City Hall subway station in downtown Philadelphia is much worse than on the sidewalks directly above the station. That is
Without context, vast numbers are meaningless. Data can be incredibly dry, abstract and difficult to visualise. But sometimes scientists find clever ways of presenting complex
Bad air pollution and extreme heat each raise health risks, but they’re worse combined.