Singapore schools, F1 race on edge as bad haze persists

U.S. News & World ReportSingapore schools, F1 race on edge as bad haze persistsU.S. News & World ReportTourists walk past advertisements promoting the upcoming Singapore Formula One Grand Prix on a hazy day in Singapore, Monday, Sept. 14, 2015. Billowing smoke from Indonesian forest fires worsened Singapore's air pollution, raising concern among ...Singapore schools, F1 race on edge as bad haze from Indonesia forest fires ...Minneapolis Star Tribuneall 56 news articles »