As cities around the world look to rid their waterways of remaining pollution, researchers are installing artificial islands brimming with grasses and sedges. The islands’ surfaces attract wildlife, while the underwater plant roots absorb contaminants and support aquatic life.
As the first installment in a series of stories inspired by readers’ curiosity, The Baltimore Sun took a look this month at what’s in the harbor water and interviewed experts who’ve ventured the approximately 30 feet to the bottom.