Los Angeles, that magical realm of shimmering natural beauty, was befouled by smog — maybe forever. The mayor, Fletcher ...

We started to do that about 13,500 years ago, when humans showed up here in considerable numbers. There is evidence that ...

L.A. has been tested time and time again. Southern California's battle with smog shows we can overcome big obstacles.

Severe attacks occurred in 1949, 1951 and 1954, with the worst in the area’s history occurring on Sept. 13, 1955. Helped by ...