Eighty years ago, the enchantment ended. Los Angeles, that magical realm of shimmering natural beauty, was befouled by smog — maybe forever. The mayor, Fletcher Bowron, told Angelenos in 1944 to lower ...

Tehran has been blanketed in thick black smog following the attack on Iran's oil refinery and depots, triggering major health concerns. Authorities report acid rain, chemical burns from oily droplets, ...

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Kerry Breen is a news editor at CBSNews.com. A graduate of New York University's Arthur L. Carter School of Journalism, she previously worked at NBC News' TODAY Digital. She covers current events, ...

Sweeney is a contributor for TIME. Sweeney is a contributor for TIME. You may have seen people on social media spritzing hypochlorous acid on their faces, bedding, countertops, and dog blankets. They ...

How did a pea-soup fog turn fatal overnight? Millions of homes burning coal in furnaces non-stop for weeks had something to do with it. Why Congress can't claw back war powers from Trump Melissa ...

Swedish planetary scientist Johan Rockström has some bad news: The ocean has crossed an environmental boundary and is now overly acidic. Rockström, who presented the findings at Climate Week NYC on ...

How will the climate crisis affect one of the ocean’s fiercest predators? New research published Wednesday has examined what might happen to sharks’ highly specialized, flesh-cutting teeth. As carbon ...