Ultrafine particles are killing us; & are grossly undercounted | Carbon Upfront

I have written previously about ultrafine particles, quoting Scott Weichenthal, an Associate Professor in McGill’s Department of Epidemiology, Biostatistics, and Occupational Health: > “Ultrafine particles are incredibly small, allowing them to penetrate deep into the lungs and enter the bloodstream. Increasing evidence suggests these pollutants