As summer warms Istanbul's waters, the megacity's authorities are having to battle a noxious algal bloom dubbed "sea snot".

"Finally!" Officials issue sweeping ban of common fishing practice over its dangerous impacts: 'They've ravaged the sea' first appeared on The Cool Down.

Over the years, Greece has often been cited as the perfect destination for a summer holiday - but is that still the case?

It's been revealed that Lake Michigan sits atop a Stonehenge-esque structure that may reshape our understanding of human history.