A sign encouraging people not to waste food at a restaurant in Handan, China, in 2020.Source: AFP/Getty Images China has been long obsessed with finding ways to ensure there is enough food for its population, and with good reason. With almost a fifth of the world’s people, limited farmland and the increasing challenge of climate change, President Xi Jinping’s government has exhorted farmers to maximize harvests and consumers to minimize waste . It’s built up huge stockpiles to cope with shortages and created new seeds to boost output. Even so, the country still buys about 60% of all the soybeans that are traded internationally, and ranks as the biggest corn and barley importer. It has also recently emerged as one of the world’s largest wheat buyers. That makes soaring global crop costs and, potentially, a looming world food crisis very much a matter of concern for the government, especially […]