Aug. 19, 2010 -- The concentration of plastic bits floating on the surface of the Atlantic has held steady for more than 20 years, even as people use and discard ever-increasing amounts of plastic. With growing concerns about plastic in the environment, a surprising new study raises questions about where all that stuff is ending up. Here, bits of ocean-going plastic create a new home for barnacles and other organisms, some of which could be invasive species with new rides to exotic shores. Read More