China’s ‘river in the sky’ cloud-seeding plan stalls (opens in new tab)

China pursued a weather-modification project known as “Sky River” that aimed to create an aerial water corridor over the Tibetan Plateau by seeding clouds to produce artificial rainfall. The plan called for thousands of silver iodide combustion chambers, guided by satellite weather data, to redirect precipitation from wetter southern areas near the Yangtze River toward drier northern regions, including the Yellow River basin. WP reported that China halted the project without an official expla...