This toxic-looking foam is just some of the polluted substances environmental activist Christopher Swain was exposed to during his brief swim in the Gowanus Canal. (Photo: Aymann Ismail/ANIMALNewYork)
Parting Shot
This toxic-looking foam is just some of the polluted substances environmental activist Christopher Swain was exposed to during his brief swim in the Gowanus Canal. (Photo: Aymann Ismail/ANIMALNewYork)