Turkey's recent outbreak is believed to be the biggest in history and is causing chaos for local communities after a previous outbreak 14 years ago.

The sludge forms when sea algae is overloaded with nutrients by warmer temperatures and polluted water.

Turkey's Environment Ministry said the "sea snot" was a serious problem and that a 300-strong team was assessing the issue as the nation remains the only member of the G20 not to have formally endorsed the 2015 Paris Climate Agreement.

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