The six-month campaign to curb winter air pollution in northern China appeared to start slowly, with only four of the 28 cities meeting their targets.
China was poised on Saturday to dynamite a dangerous ”quake lake” to drain its waters as 1,3-million people nearby were kept on alert for possible evacuation. Workers set explosives on a dam formed by this month’s catastrophic earthquake in Sichuan province, after thousands of soldiers finished an enormous drainage channel after 10 days of frantic digging.