Explore the environmental impact of dyeing the Chicago River green for St. Patrick's Day, balancing tradition with ecological concerns.

According to the story, the dye used to detect leaks in the sewer system along the Chicago River turned the water green, and the idea was born to dye the river green in honor of St. Patrick’s Day.

The city does not dye the Savannah River green for St. Patrick's Day, although it's a question that comes up each and every year. The town does dye the Forsyth Park Fountain for the celebration ...