While the river stays bright for several hours, some trace of color can remain for days. A second St. Patrick's Day parade was scheduled for Sunday on Chicago's South Side. 24/7 coverage of ...

The dye is nontoxic. While the river stays bright for several hours, some trace of color can remain for days. A second St. Patrick’s Day parade was scheduled for Sunday on Chicago’s South Side.

Chicago Dyes Its River Bright Green as It Opens St. Patrick's Day Celebrations CHICAGO (AP) — The Chicago River is once again glowing kelly green as the city opens its annual St. Patrick's Day ...

CHICAGO (AP) — The Chicago River is once again glowing kelly green as the city opens its annual St. Patrick’s Day celebrations. Thousands lined the river and packed bridges Saturday and ...