Day: July 21, 2026

Why would a young Republican back solar power but reject a carbon tax? Why would two Democrats agree that climate change is real but split over a policy that would charge households more if they exceeded a monthly limit on energy use?

Those patterns may go against the partisan rhetoric of our times, but they reflect the reality that Americans do not sort neatly into simple camps on climate change.

We study complex systems. In a new paper, we analyzed 20 years of Gallup environmental surveys, digging into individual responses from 2000 to 2020 that aren’t released to the public. We wanted to look beyond the usual headline that Democrats and Republicans disagree when it comes to climate change.

Rather than treating age, education, income and ethnicity as separate influences, we studied how they combine inside each party to shape climate beliefs and support for specific policies.

This deeper, more nuanced view changes the story by identifying people as more than just their political affiliations. To be clear, political party is still the strongest divide, but it does not tell us enough on its own. The same policy can mean very different things to different people, even within the same party.

We found several enduring themes.

1. Climate polarization deepened after 2017

A broad partisan split already existed, but it sharpened after Donald Trump first won election to the presidency in 2016. In Gallup polling from 2017, concern about global warming jumped among Democrats and independents, while Republicans stayed far less worried.

In those first months, Trump moved quickly against Obama-era climate policies: His administration removed Environmental Protection Agency climate-related webpages, proposed deep EPA budget cuts and then moved to dismantle policies meant to reduce power plant emissions, while signaling that it would withdraw the U.S. from the 2015 Paris climate agreement, the international foundation of many climate actions. So the issue was suddenly much more visible and conflict-driven.

Our analysis shows that the greatest shifts in concern were among Democrats and independents, particularly those who worry about global warming, whether it is human-caused or natural, and whether it will threaten their way of life.

That matters because it suggests opinion on climate change and policy can be reshaped by political context.

2. Among Republicans, age is a major force

The biggest internal divide among Republicans was age.

Younger Republicans have often been much more open to renewable energy and much less supportive of fossil fuel expansion than older Republicans. In our data, Republicans ages 18 to 34 were more likely than older Republicans to oppose coal development and drilling in the Arctic National Wildlife Refuge. They also showed strong support for solar energy and alternative fuels.

Among some older Republican subgroups, support for oil exploration and nuclear power was much stronger.

This is more than a descriptive age gap. The survey responses suggest that within today’s Republican coalition, climate and energy preferences are being sorted through different priorities. Younger Republicans appear more open to future-oriented energy development, such as spending more government money on developing solar and wind power. Older Republicans are more attached to established energy systems and the economic language surrounding them.

3. Climate policy support depends on what the policy asks people to do

One of the clearest lessons from our analysis is that support for climate action depends heavily on the design of the policy itself.

Younger Republicans often supported renewable energy, but Republican-leaning respondents ages 18 to 54 still tended to oppose carbon taxes, which would raise the price of continuing to rely on fossil fuels. Support for solar panels or alternative fuels did not automatically translate into support for every climate policy.

That distinction helps explain why public opinion on an issue such as climate can look inconsistent when it is viewed as a monolith. People are reacting not only to climate change itself but also to what a policy signals about government, markets, fairness and personal cost.

This finding fits with earlier research on solution aversion: When threatened by a solution, a person’s belief in the problem itself may be challenged.

We found something similar across the political spectrum with proposals to legally limit household energy use. Those were unpopular not just with Republicans but also with many Democrats and other respondents who described themselves as concerned about climate change. Even people who accept that there is a problem may resist solutions that feel coercive or too close to everyday private life, meaning policies that interfere directly with daily household choices or bills.

4. Education does not erase the partisan gap

A common but mistaken assumption is that more education naturally leads to more agreement on climate change. Our results point to a messier reality.

Among Democrats, higher education was linked to stronger support for climate policies such as carbon taxes, emissions standards for business and industry, and renewable energy investment. College-educated Democrats were especially supportive of regulatory and tax-based climate policies, such as imposing mandatory controls on carbon dioxide emissions and passing a carbon tax to encourage people and industries to reduce their carbon dioxide emissions.

Among Republicans, education did much less to reduce skepticism about climate policies. Better-educated Republicans did not simply converge toward Democrats. In some cases, they remained skeptical of climate regulation even while showing support for technologies such as nuclear power.

We believe that this is one of the most important analytical lessons in the study. Education is not just adding information into a neutral space. It is interacting with party identity. The same increase in education can deepen support for climate policy in one partisan context while leaving skepticism largely intact in another.

5. The biggest group is the ‘mixed middle’

The largest group in our analysis was not those most concerned about climate change or the skeptics. It was the mixed middle: people with complicated, sometimes inconsistent views.

That group matters because it suggests American opinions on climate change are polarized but not fixed. The surveys showed that this middle group was the largest of the three Gallup clusters: 10,617 mixed-middle respondents, compared with 6,682 who were highly concerned about climate change and 3,102 skeptics. Many people are neither fully convinced nor fully dismissive of the need for policies to counter the drivers of climate change. Their views depend on the issue, the framing of policy proposals – for example, whether it is presented as a tax or an incentive, a regulation or a technology investment – and the trade-offs involved.

If there is a practical takeaway from 20 years of climate surveys, it is this: Political party remains the strongest clue to how Americans think about climate change, but to understand where opinion might move next – and which policies might actually gain support – requires looking deeper than the party label.

Mayank Kejriwal receives funding from DARPA.

Yidan Sun receives funding from DARPA.

​Politics + Society – The Conversation