National Geographic: Consider this: The amount of global trash is expected to rise every year for the rest of the century. With no intervention, the growing garbage heap won't even peak by 2021.
Since most marine debris originates on land, that grim prognosis, say researchers at the University of Georgia, could spell disaster for the oceans, creating an environmental hazard often compared in scope with climate change.
"We estimate we're going to have millions of tons of plastic going into the ocean with, so far,...