Officials in both countries attempted to reassure residents alarmed by the fluorescent color of the river ... where a river’s suddenly turning bright green might not greeted with alarm by ...

Read on to learn more about the tradition, its union roots and the dye so secret only a select few know the recipe. In the 1960s, Chicago city workers used a bright green dye to identify leaks in ...

A tributary turned bright green ... the city said. "A dye test was performed earlier today to locate a sewer lead," the city said on Facebook. "The green dye used does not contain pollutants ...

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 ...