Christian Science Monitor: Blue skies in Beijing were a welcome surprise this week for the residents of Gaobeidian, a migrant neighborhood on the outskirts of the city. Gaobeidian sits near the smokestacks and cooling towers of an 845-megawatt power plant, the last coal-fired plant operating in the Chinese capital. Billowing smoke forms a hazy backdrop as children play and women hang clothes out to dry. This kind of weather is rare in Beijing, says Cheng Hui, a housewife with two sons under four. Shes happy to hear that...