PHILADELPHIA (WPVI) -- According to air quality experts, the decrease in travel because of social distancing could be having a positive impact on Philadelphia's air quality. "In terms of air pollution ...
PHILADELPHIA (WPVI) -- On a beautiful spring day, it's hard to resist the urge to go outside. Around lunchtime on Forbidden Drive in Wissahickon Valley Park, the trail was filled with walkers, bikers, ...
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