EPA announced yesterday that it will “reconsider” the Trump EPA’s decision not to change the PM2.5 National Ambient Air Quality Standard. I’ve blogged numerous times about the growing body of evidence that exposure to concentrations of PM2.5 below the current NAAQS causes significant additional mortality and morbidity. The evidence is clear.
I certainly agree that climate change is an existential threat and that’s where our emphasis needs to be. … More