Do we have evidence of polls moving in favour of renewables?

Sure.

Pakistan is a slam dunk for renewables, it's ground swell and up there given the lack of decent state level delivery infrastructure.

It's a similar story across much of the developed world, easy to build out renewables from the ground up and good deals from China for countries of interest to the Belt and Road intititives.

In Australia:

  73% support renewables and batteries as the fastest way to lower people's power bills, compared to just 16% for nuclear reactors and 8% for new coal power

  In 2018, 84% of Australians said the government should focus on renewables, even if we need to invest more in infrastructure to make the system more reliable.

In the USofA ... dunno, that's more your sandbox - I suspect many hearts and minds have been captured by 50 years of the Koch Bros dunking on AGW and public transport leading to a broad excess of rolling coal types being mind tweakled by the Heritage Foundation and / or Taylor Sheridans Landman windmill rants, etc.