The Solution to Venice's Mysterious Green Canal Revealed.

TL;DR
The recent transformation of a section of Venice's Grand Canal to fluorescent green was caused by the non-toxic substance fluorescein, used for testing wastewater networks, according to the regional agency for environmental prevention and protection of Veneto. Police investigated whether it was a protest by climate change activists, but the substance was found to be harmless. The Grand Canal had previously turned green in 1968 as part of a stunt to promote ecological awareness.
Topics:worldenvironment#environment#environmental-protection#fluorescein#grand-canal#venice#water-pollution
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- In a Venice canal, police investigate mysteriously green waters NPR
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