After some fluctuation in Americans' global warming views at the start of the century, these have steadied at fairly high levels of unease on all measures.
Democrats on Wednesday blasted the Trump administration's moves to roll back environmental regulations during the coronavirus crisis, with one senator saying a "pandemic of pollution'' has been released.
Republican lawmakers returned to the Oregon Senate on Saturday, ending an acrimonious nine-day walkout over a carbon emissions bill that would have been the second such legislation in the nation.
Several states have recently introduced bills that could interfere with the teaching of scientifically founded theories on climate change in public school science curricula.