PerceptivX

Black Carbon

Compared to the streets, the air pollution in Philadelphia’s subway is far worse.

October 18, 2024

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

Wildfire smoke and dirty air are also climate change problems: Solutions for a world on fire

June 16, 2023

As the eastern U.S. and Canada reeled from days of thick wildfire smoke in early June 2023, millions of people faced the reality of climate change for the first time.