At the same time, Americans are closely divided over whether or not it is possible to cut back on regulations while still effectively protecting air and water quality.
Americans lean toward regulations – not economic markets alone – as the most effective way to increase reliance on renewable energy, but they are evenly split on whether fewer regulations can protect air and water.
More Democrats and younger adults believe last month's science marches will lead to public support for science, while Republicans and older adults tend to disagree.
Americans are polarized over the causes and cures of climate change and how much they trust climate scientists, but most support a role for scientists in climate policy and expanding solar and wind energy.
Fifty years after the first American manned space flight, nearly six-in-ten say it is essential that the U.S. continue to be a world leader in space exploration and a majority say it has been a good investment for the country.
The proportion of Americans who say that the earth is getting warmer has decreased modestly since January 2007, mostly because of a decline among Republicans.
The public remains conflicted in its approach toward energy and the environment, but 55% favor more conservation and regulation compared with 35% who support expanded exploration. Fully 90% favor tighter auto fuel standards.
Republicans' concerns about climate change have fallen through the floor. Just 12% now call it a top priority for policymakers.
New findings from a Pew Research Center for the People & the Press poll show that public attitudes about global warming are deeply divided along partisan lines. But even among Democrats, global warming ranks low relative to other issue priorities.