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Olkhon Island and Lake Baikal.
The shores of Lake Baikal in Siberia, the world's largest body of fresh water and popular tourist destination, are covered with rotting algae dangerous to its unique ecosystem.
Baikal is getting increasingly contaminated by spirogyra, which could pose a threat to the purity of its waters.
Spirogyra is not native to Baikal's ecosystem. It thrives on biological waste which, according to ecologists, is provided in abundance by the sewage facilities of the local holiday centers, as well as private boats.
Now, most of Baikal's shores are covered in rotting spirogyra. Only the western shore remains clean.
"It has never been detected previously in such a mass abundance. Spirogyra is completely occupying more than 50 percent of the coastal area of Lake Baikal," says Oleg Timoshkin from the Limnological Institute of the Russian Academy of Sciences. The institute researches the flora and fauna of Siberian lakes.
"Last year, there was more than 1,500 tonnes of rotting algae. Unfortunately, I can definitely say that Baikal is ill. Seriously ill."
Comment: Hawaii known for it's warm tropical breezes is having blizzard warnings along with 85 MPH winds in March! There's global warming for you.