Georgina Rannard, BBC climate and science correspondent, dives into the troubling rise of seaweed blooms around the globe, linking them to climate change and ecological disruptions. Santiago Stebelski, a young entrepreneur from Mexico, shares his journey founding Sargolico, a venture transforming sargassum into sustainable bioplastics. They discuss the harmful effects of seaweed on biodiversity, potential solutions like carbon sequestration, and how technology could help predict future blooms. It's an eye-opening look at innovation meeting environmental challenges.