It’s DYE me a river … in celebration of St. Patrick’s Day!
And yes, the dye is safe:
“The dye used is a food grade dye also used in medicine … Illinois EPA found that at the concentration used in the Chicago River, it is completely non-toxic.”
What Is the Chicago River Dyed With? Behind the Annual Tradition (greenmatters.com)
So let’s enjoy a time-lapse of the process:
