Fog and smog may look similar at first glance, but they are very different in origin, composition, and impact on health. While fog is a natural weather phenomenon, smog is a harmful, human-made ...

Three times as much mercury has been found in mountain lions in the Santa Cruz Mountains than in their inland brethren, and the likely culprit is coastal fog, a first-of-its-kind study by UC Santa ...

SARAJEVO, Dec 20 (Reuters) - A blanket of fog and smog descended on the Bosnian capital of Sarajevo this week, reducing daytime visibility to a few dozen metres and forcing residents indoors as ...

WEATHER ALERT ENVIRONMENT CANADA ************************* Issued at 2026-03-06 3:48PM EST by Environment Canada: Yellow level advisory - fog - issued for: Guelph - Erin - Souther ...