The reason why the Venetian Canal water turned emerald green was discovered by environmental authorities after conducting tests. They found that the color was the result of Fluorescein, a non-toxic substance first invented by NASA.
The city’s famous canals were so jaw-droppingly green that they nearly resembled the Chicago River during a St. Patrick’s Day celebration.
Authorities in Italy have officially narrowed down their investigation into why the canals in Italy turned green over the ...