E-commerce is creating a cardboard nightmare. The rise of Amazon and the like has left a deluge of packing waste in many of the world’s largest economies. None more than China, where more than 40 billion packages were shipped last year. That number will likely increase as the Chinese economy grows. There is some pressure on retailers to use less material in their packaging and to switch to reusable alternatives. Marketplace Tech host Molly Wood spoke with our China correspondent, Jennifer Pak, about how China will cope with the pending cardboard apocalypse.