As wildfires rage in several western US states, 64% of Americans in western states say that climate change is real and is the result of human activity--a 7 percentage point increase in just the last two weeks. 55% of Americans in western states say the severity of recent extreme weather events has been fueled by climate change, compared to 48% nationally. 48% of Americans in western states say climate change is a "very serious" problem, the highest percentage of any region.