The faulty climate calculations of the Trump administration

The Trump administration often framed climate action as economically harmful, emphasizing costs while downplaying long-term damages from global warming, yet experts and studies show that environmental protection can support growth and reduce financial risks for households and industries.

During his time in office, Donald Trump repeatedly presented climate policy decisions through a financial lens, emphasizing the potential economic drawbacks of addressing global warming. He argued that implementing measures to curb climate change would result in substantial economic losses. Following the U.S. withdrawal from the Paris Agreement, Trump asserted that participation would have imposed costs of trillions of dollars on the United States, while claiming that other nations did not contribute proportionally. He further contended that policies under the Biden administration promoting electric vehicles could harm the automotive sector, positioning his own policy reversals as supportive of industry recovery. Trump frequently framed environmental regulation rollbacks as a necessary action to avoid economic collapse, portraying climate initiatives as financially burdensome.

Critics have highlighted that these assessments largely focus on regulatory costs while downplaying or omitting the economic consequences of ongoing climate change. Recent environmental events illustrate these risks, including record-breaking heat waves in the western United States at the end of March, which heightened wildfire threats and jeopardized essential snowpack critical for regional water supply. Research conducted by the Brookings Institution estimates that climate-related impacts, such as increased insurance premiums and health effects from wildfire smoke, already impose annual costs on U.S. households ranging from $219 to $571, depending on calculation methods. In some cases, these costs exceed $1,000 per household each year.

Experts, including climate economist Gernot Wagner from Columbia Business School, assert that preventing climate-related damage does not harm overall economic performance, although it may negatively affect certain sectors like fossil fuels. Wagner points to long-standing messaging from parts of the oil industry as a factor shaping perceptions that environmental regulations are excessively costly. Since the early 1990s, the American Petroleum Institute has sponsored studies suggesting that climate regulation would reduce U.S. economic output, often neglecting the financial costs associated with inaction. A 1991 analysis projected that high carbon taxation could lower GDP without accounting for the economic damages from climate change.

Policy adjustments under the Trump administration also altered how the Environmental Protection Agency evaluated regulatory impacts. Traditionally, the EPA considered health benefits, such as fewer asthma cases and avoided premature deaths, in cost-benefit analyses. Revisions removed these considerations from certain assessments and discontinued using the social cost of carbon, previously estimated at $190 per ton during the Biden administration. Additionally, internal review practices no longer assigned a monetary value to human lives saved. Investigations revealed that in many cases, environmental rule assessments showed benefits exceeding costs, but analyses emphasized the cost side more heavily.

When federal fuel efficiency standards were repealed, projections indicated potential savings of $1.3 trillion in vehicle-related expenses by 2055. However, internal calculations also indicated that combined costs for fuel, maintenance, insurance, and related expenses could reach approximately $1.5 trillion during the same period. These projections assumed gasoline prices near $3 per gallon, whereas geopolitical tensions involving the United States, Israel, and Iran later contributed to prices exceeding $4 per gallon.

Historical evidence suggests that environmental regulation can support economic growth. The Clean Air Act of 1970, for example, reduced pollution and contributed to measurable economic benefits, with U.S. GDP in 2010 estimated to be 1.5 percent higher than it would have been without the legislation, partially due to long-term public health improvements. Investment in clean technologies has also been shown to generate economic activity. Spending on energy-efficient home improvements, including heat pumps, induction stoves, insulation, and appliances, stimulates economic output even if initial costs are high, while potentially lowering utility bills over time despite long payback periods.

Global studies further indicate that investment in climate adaptation does not inherently conflict with maintaining stable government finances. Analysis covering 172 countries demonstrated that resilience measures can contribute to long-term fiscal stability. Public opinion also reflects evolving perceptions of environmental regulation. Surveys by the Pew Research Center show that a growing majority of U.S. voters believe that environmental protection supports economic growth and job creation. Specifically, 59 percent of respondents view environmental protection as beneficial for economic expansion and employment, while only 18 percent believe it harms the economy.

Overall, framing climate policy as a strict trade-off between economic performance and environmental protection does not align with empirical evidence. Studies of historical regulation, household costs, industry impacts, and global fiscal outcomes demonstrate that integrating climate considerations can coexist with economic stability and growth, challenging the cost-focused narrative emphasized by the Trump administration.

Sources:

• The New York Times - Trump's Climate Calculations
• Brookings Institution - The Cost of Climate Inaction
• Columbia Business School - Gernot Wagner on Climate Economics
• How the Trump administration’s climate math doesn’t add up