A recent spill of bio-beads—small plastic pellets used by some wastewater treatment facilities since the 1990s—has brought renewed attention to a problem that has been quietly accumulating in coastal ...

'Throw me somethin’ mister' has long been a Carnival-time mantra in New Orleans, as parade-goers vie for glinting plastic necklaces tossed from passing floats. But in recent years there’s also been ...