Javno.hrCleaner air equals longer lives: studyReuters - 59 minutes agoBy Gene Emery BOSTON (Reuters) - Dramatic improvements in US air quality over the last two decades have added 21 weeks to the life of the average American, researchers reported on Wednesday.Cleaner Air Equals Longer Life U.S. News & World ReportVital Signs Cleaner Air Extending Lives, Study Shows New York TimesLos Angeles Times - The Associated Press - Bloomberg - Boston Globeall 84 news articles