“日出江花红胜火,春来江水绿如蓝。”——《忆江南》白居易能源的可持续性“已经是人类面临的紧迫议题之一”——德尔罗萨里奥1小时候有个童话故事:兔子问太阳是什么颜色?鸟儿答:“太阳光照在绿油油的树叶上,所以太阳光是绿色的。”蜜蜂答:“太阳光照在红艳艳的花朵上,所以太阳光是红色的。”青蛙答:“太阳光照在金灿灿的麦穗 ”-“ Yi Jiangnan ”Bai Juyi’s sustainability of energy“ is already one of the pressing issues facing mankind ”- Del Rosario 1 A child has a fairy tale: the rabbit asked the sun what color? Bird A: “The sun shines on the green leaves, so the sun is green.” “Bees A:” The sun shines on the red flowers, so The sun is red. “Frog A: ” The sun shines on the golden wheat ears