New Scientist: China plans to open the heavens to bring back its blue skies.
According to local news reports, a document released by the China Meteorological Administration says that from 2015, local weather authorities will be allowed to use cloud seeding to create rain and clear the country's notorious smog. It's part of the government's plan to invest 1.7 trillion yuan ($277 billion) in tackling air pollution. But will it work?
Programmes to generate artificial rain have been running since the 1950s. In...