@IanRicksecker @DOTsGtGrandbaby @mehdirhasan @nhannahjones @tylerblack32 @sdschools It's a proxy for the portion of human emissions that can't be effectively filtered. Without filters, that's the same thing, but once filtered are introduced the relationship becomes a lot more complicated.
@IanRicksecker@DOTsGtGrandbaby@mehdirhasan@nhannahjones@tylerblack32@sdschools这是无法有效过滤的人类排放部分的代表。没有过滤器，这是同样的事情，但一旦引入过滤，关系就会变得复杂得多。