A large and growing majority of Americans say “global warming is affecting weather in the United States” (74%, up 5 points since our last national survey in March 2012). …
A majority of Americans (58%) say that heat waves have become more common in their local area over the past few decades, up 5 points since March, with especially large increases in the Northeast and Midwest (+12 and +15 points, respectively). [cont.]
Yale Project on Climate Change Communication