简介：The public’s wish to save energy andprotect environment is great, but the campaignitself is not immune from criticism. Forexample, when turning off the lights, somepeople lit candles to pray for the world. Theproblem here is the cost of a candle is higherthan an hour’s lighting from electric power.At the same time, candle burning produces alot of carbon dioxide.
简介：The public’s wish to save energy andprotect environment is great, but the campaignitself is not immune from criticism. Forexample, when turning off the lights, somepeople lit candles to pray for the world. Theproblem here is the cost of a candle is higherthan an hour’s lighting from electric power.At the same time, candle burning produces alot of carbon dioxide.