Vietnam will stop issuing new licenses for the import of waste and crack down on illegal shipments as thousands of containers of paper, plastic and metal scrap build up at the country’s ports, raising concerns about the environment, Reuters reports. Southeast Asia could potentially become “a world leader” in importing plastic waste, according to the latest report by research and consulting group PCI Wood Mackenzie. Governments throughout Southeast Asia have launched a war on plastic waste. But most are still in the early stages of creating waste management strategies and passing laws needed to implement them, writes Dan Southerland for Radio Free Asia.