By pic_studio / Getty Images More than five billion of the estimated 16 billion mobile phones possessed worldwide will likely be discarded or stashed away in 2022, experts said Thursday, calling for more recycling of the often hazardous materials they contain. More than five billion of the estimated 16 billion mobile phones possessed worldwide will likely be discarded or stashed away in 2022, experts said Thursday, calling for more recycling of the often hazardous materials they contain. Stacked flat on top of each other, that many disused phones would rise 50,000 kilometres (30,000 miles), mo…