Residents can track localized pollution, including particles from the wildfires that tore across Los Angeles in January, ...

Giulia Carbonaro is a Newsweek reporter based in London, U.K. Her focus is on the U.S. economy, housing market, property insurance market, local and national politics. She has previously ...

Governor Newsom ordered the updated maps to address the "new reality of extremes" in California's wildfire landscape. The maps, last updated in 2011, will inform new land-use and building ...

Various agencies in Los Angeles County regularly collect water samples and test the water quality. Occasionally, high levels of bacteria can be found in the samples, implying that the water might not ...