"The discussion about climate change can seem a little bit abstract sometimes. My question is: are there observable phenomena in our area that scientists can confidently attribute to climate change?" - Ken, Chico
That’s a great question and one that perhaps is harder to answer definitively than at first glance. Science has a pretty high bar for declarative statements. That’s pretty much why gravity and evolution are often referred to as theories.
Now, we obviously lack polar ice caps or sea levels here in interior Northern California — the items typically measured, mentioned and argued over — but there are plenty of natural systems locally, and people keeping tabs.
Agriculture is huge in the North State, as are rain, snow and migrating wildlife, not to mention temperature records dating back to the late 19th century.