The Big Crapple: NYC Transit Pollution from Horse Manure to Horseless Carriages - 99% Invisible
In industrializing 19th-century cities like London and New York, horses played a key (and evolving) role in both transportation and pollution. By the 1860s, horsecars (horse-drawn streetcars on rails) had gained traction against more limited horse-drawn carriages. Horsecars offered a smoother ride for passengers and required less work for horses, allowing two animals to pull a
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