Bad news for those of us who love sparkly stuff. Even though you thought you were saving the world one reflective particle at a time, that orange eco-glitter you sprinkled on your Halloween craft project isn’t any easier on rivers and lakes than conventional glitter. Despite the promises and inflated price tag, biodegradable glitter ends up the same way as old-school glitter — wreaking havoc on aquatic ecosystems. Anglia Ruskin University (ARU) in Cambridge, U.K.