No need to put up more signage IMHO. Why waste the time when we all know for certain that we NOW have less than twelve years of survival.
https://www.washingtontimes.com/news/2020/jan/8/glacier-national-park-to-replace-signs-saying-glac/
https://www.washingtontimes.com/news/2020/jan/8/glacier-national-park-to-replace-signs-saying-glac/