How Philadelphia's Water Pollution Problems Shaped the City

Picked video by video from Science History Institute (mixed channel): title plainly names a teaching subject. Channel transcript sample: Two of three sampled videos are genuine expert lectures on history of science, while one transcript reveals non-educational ad/promo content, supporting a pick verdict.

A 48-minute video from Science History Institute: “How Philadelphia's Water Pollution Problems Shaped the City”.

Video by Science History Institute, played through YouTube's embedded player.