Reuters: California is losing $28 billion annually in health-related costs because of air pollution in and around Los Angeles and in its San Joaquin Valley, according to a report released on Wednesday. The two regions in the most populous U.S. state routinely rank among the nation’s dirtiest in terms of air pollution. The results are a variety of costs associated with poorer health ranging from missed work days, to increased respiratory troubles to premature deaths. Emissions from …