Toxic Philly

As I read the article, it better my understanding of how there are other things that contribute to global warming. Big buildings are all over the city and they produce a lot of co2 adding the cars co2 is making it worse. I wonder why most buildings don't use solar energy already? It already has the height and surface area on the roof to hold the panels.

Screenshot 2019-11-12 at 11.28.14 AM
Screenshot 2019-11-12 at 11.28.14 AM

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