Portuguese man-o'-war, a highly venomous marine organism, returns to beaches in southwestern France

Since July, mass strandings of these organisms have been increasing along the Aquitaine coastline. The frequency and scale of the phenomenon have prompted scientists to investigate, particularly to determine the role of climate change.

Since July, mass strandings of these organisms have been increasing along the Aquitaine coastline. The frequency and scale of the phenomenon have prompted scientists to investigate, particularly to determine the role of climate change.