"A shared delusion among nearly all Americans could contribute to the long delay in significant federal climate policy. Despite polls showing widespread concern about climate change and majority support for policies to mitigate it, Americans almost universally underestimate the extent of climate concern among their compatriots. They also underestimate the extent of public support—at the state and national level alike—for policy measures to address the climate emergency."
https://www.scientificamerican.com/article/climate-change-actions-are-far-more-popular-than-people-in-u-s-realize/