The solution to light pollution is to use lower-wattage outdoor bulbs and full cutoff shielding.
解决光污染的方法就是使用低瓦数的户外灯泡与完全阻隔溢光的遮罩。
2
People can inadvertently reset their body clocks to an undesired cycle by such activities as shielding morning light with shades and heavy curtains or by reading in bed at night by bright lamp light.