Along the northern coast of Tunisia, the waters began to change color. Instead of their usual blue foam, the waves became an unnerving vibrant green. The changing seawater color sparked concern among ...

Add Yahoo as a preferred source to see more of our stories on Google. Italian authorities are investigating what could have caused Venice's Grand Canal to turn fluorescent green over the weekend. The ...

Environmental officials in Italy said they have solved the mystery of what turned the waterways in the historic Venice Canal a bright shade of green. Venice residents reported on Sunday that the ...

The coastal waters near Hammam-Lif and Ez Zahra in Tunisia turned fluorescent green, sparking concerns, photos show and officials said. Photo from Tunisia's Ministry of Agriculture, Water Resources ...