
为什么有些天空看起来比其他天空更蓝
天空的颜色不只是风景背景。新的报道指出,大气物理、气溶胶和污染如何能把深蓝色的天空变成乳白色,让悬浮在我们周围空气中的东西变得可见。
- 蓝天源于瑞利散射,它更偏向散射较短波长的光。
- 气溶胶、烟雾和湿气等较大颗粒会产生米氏散射,使天空看起来更白或更雾。
所有标记为「environment」的文章

天空的颜色不只是风景背景。新的报道指出,大气物理、气溶胶和污染如何能把深蓝色的天空变成乳白色,让悬浮在我们周围空气中的东西变得可见。

Debates over synthetic turf are intensifying across the United States as schools, parks, and communities weigh convenience and durability against plastic waste, heat, and ecological costs.

对调查记者玛丽亚·布莱克的采访重温了PFAS污染如何扩散到环境中,以及它如何成为现代工业中最广泛的化学污染故事之一。

A new preprint argues that large data centers may be warming surrounding land for miles, adding a fresh environmental concern to the AI infrastructure boom.
New national datasets from University of Queensland researchers map ecosystem disturbance across Australia and highlight areas still relatively free of human pressure.
澳大利亚的 Cape Grim 基线空气污染监测站迎来追踪所谓“世界最洁净空气”50年的节点,凸显长期大气记录如何支撑气候科学。
发表在《Science》杂志上的新研究警告称,大盐湖正在接近一个临界点,可能触发不可逆转的生态崩溃,其后果将波及整个美国西部。
Datacenter construction has become a defining political issue in a North Carolina primary, pitting economic development promises against community concerns about water use, noise, and environmental impact.
The EPA's endangerment finding is the legal backbone of US climate regulation. Eliminating it would reshape environmental policy for decades.