THANH HOA, Vietnam—There’s almost more plastic than sand on this long, tree-lined beach: Plastic helmets, plastic furniture and the plastic leg of a shop mannequin all jut out of an ocean of blue plastic bags.
Just south of the capital Hanoi, the once-peaceful and clean beach of Da Loc in Vietnam’s Thanh Hoa province, has been slowly suffocating under the weight of plastic waste for decades.
