1945年6月签署《联合国宪章》时，旧金山空气清新。今天，天空映照着气候变化趋势所助长的变得来野火带来的橙色烟雾。
When the Charter of the United Nations was signed in June 1945, the air in San Francisco was clean. Today, those skies reflect the orange haze and smoke of wildfires fanned by the winds of climate change.