It’s a “growing” problem. Large floating mats of red algae continue to wash up on some parts of the coast choking out native plants and animal species. This week on the Down East Journal, we speak with North Carolina Coastal Reserve Research Biologist Byron Toothman about the impacts of this quickly-growing, invasive seaweed and how it’s altering our coastal ecosystem. The Down East Journal, Friday at noon on all of the PRE stations. And Saturday at noon on New and Ideas.