The local paper in Calistoga published an article I wrote about overtourism and its impacts. It's a long read, but that's because it's complex topic.
Their website doesn't have the story up yet, so here's a link to my version:
https://www.paulwagnerwine.com/post/over-tourism-issues-face-napa
Check our our website: http://www.backpackthesierra.com/
Or just read a good mystery novel set in the Sierra; https://www.amazon.com/Danger-Falling-Rocks-Paul-Wagner/dp/0984884963