Another summer’s day, another huge tide of green algae along the coast of Brittany in north western France.
It is a complex environmental problem that has divided ecologists, farmers, and holidaymakers – among others – since the 1970s.
Euronews is no longer accessible on Internet Explorer. This browser is not updated by Microsoft and does not support the last technical evolutions. We encourage you to use another browser, such as Edge, Safari, Google Chrome or Mozilla Firefox.