Invasive algae is a problem all over the world. Different species of seaweed pose a threat to the oceanic environment by smothering and killing coral, which has an impact on fish and other marine life. Living near the sea in Spain, Sònia Hurtado saw the effect that the large amounts of seaweed, known as Rugulopteryx okamurae, was having on the Mediterranean. It started in 2015 when a contamination happened in the south of France and spread all over the coastline. After meeting María Cermeño, an ...