China’s Worst Self-Inflicted Environmental Disaster: The Campaign to Wipe Out the Common Sparrow Back in the 1950s, China was going through its Great Leap Forward, an effort to transform China from a largely agrarian nation to a thriving industrial Marxist powerhouse. These sweeping (and often brutal) reforms, touched virtually every facet of Chinese life — and as one particular episode in China's history points out, the animal kingdom was also far from immune. In 1958, China ordered the extermination of several pests, including sparrows — an ill-fated campaign that eventually led to catastrophe. The Four Pests campaign Chinese leader Mao...