Tag: australia

- by Dr. Dorothy Robin­son, Woodsmoke.3sc.net  The most health-haz­ardous air pol­lu­tant is PM2.5 (tiny par­ti­cles less than 2.5 mil­lionth of a metre in diam­e­ter) that cause 10 to 20 times as many pre­ma­ture deaths as the next worst pol­lu­tant (ozone).   PM2.5 pen­e­trate the deep­est recess­es of our lungs.  As well as caus­ing lung dis­ease, PM2.5…