Almost half of everyone who lives in the United States breathes unhealthy levels of air pollution, according to the American ...

P EOPLE ARE dying for clean air. According to the most recent estimates from the Institute of Health Metrics and Evaluation ...

Air pollution levels keep getting worse for more ... nitrogen oxides and volatile organics from electric utilities, car exhaust, gasoline vapors, industrial facilities and chemical solvents ...

Cars have been banned from more than 100 streets. Tens of thousands of parking spots have been eliminated. Hundreds of miles ...

Almost half of everyone who lives in the United States breathes unhealthy levels of air pollution ... organics from electric utilities, car exhaust, gasoline vapors, industrial facilities and ...