Just swapping single-use plastic for compostable alternatives won’t do much if none of them end up in the compost. For a worker in Chinese cities such as Beijing or Shenzhen, there’s a good chance that lunch at the office now involves delivery through an app—and a pile of plastic trash. In 2018, food delivery apps in China made more than 10 billion deliveries throughout the country, nearly doubling the number from the previous year.