I don't think we really need anymore evidence PM2.5 is bad? I don't think you should need this article to change your mind on anything? I think we are by far

I don't think we really need anymore evidence PM2.5 is bad? I don't think you should need this article to change your mind on anything? I think we are by far at the stage were we need influencers to be paid to start pushing it. Clean air in the house, which will then move to clean air outside, since the rich also have to walk outdoors. (And by rich I mean Westerners visiting developing countries, for example)