Christian Science Monitor: Try this statistic on for size: If China’s economy continues to grow at its current pace, and the Asian giant doesn’t cut its rate of energy use, by 2030 it could be emitting as much carbon into the atmosphere as the entire world does today. And here’s another: As you read this, China is bringing on line coal-fired power plants – major sources of greenhouse-gas emissions – at the mind-boggling rate of two per week. Yet China’s No. 1 mandate isn’t environmental protection, …