Trump Administration Moves to Revoke Landmark Climate Finding, Paving Way for Sweeping Rollback of Emissions Rules

BY MIRABEL ODETA

The Trump administration is preparing to overturn a foundational scientific determination that has underpinned federal regulation of greenhouse gas emissions for more than a decade, according to the Environmental Protection Agency. The move would dismantle an Obama-era finding that concluded greenhouse gases pose a threat to human health, effectively removing the legal basis for broad federal climate regulations.

The repeal of the so-called endangerment finding would represent the administration’s most far-reaching climate policy reversal to date. If finalized, it would significantly curtail the federal government’s authority to regulate greenhouse gas emissions, particularly from vehicles, and mark a dramatic shift in U.S. environmental policy.

The Wall Street Journal reported that the repeal is expected to be published later this week, citing comments from EPA Administrator Lee Zeldin, who described the move as “the largest act of deregulation in the history of the United States.” Administration officials have argued that the endangerment finding has enabled expansive and costly regulations that they say have burdened consumers and businesses.

Work on the repeal has been underway for more than a year. The proposed rule was sent to the White House Office of Management and Budget for review on January 7, a key step in the federal rulemaking process. The proposal was first unveiled last summer and drew significant public attention, generating more than half a million public comments from industry groups, environmental advocates, and private citizens.

According to administration officials, rescinding the finding would eliminate federal requirements for automakers to measure, report, certify, and comply with greenhouse gas emission standards for vehicles. However, the repeal would not extend to stationary sources such as power plants, meaning certain industrial emissions would remain subject to regulation under existing rules.

An EPA spokesperson said the endangerment finding had been used by the Obama and Biden administrations to justify “trillions of dollars of greenhouse gas regulations covering new vehicles and engines,” arguing that the rollback would restore regulatory balance and reduce compliance costs across the economy.

The effort, however, faces potential legal obstacles. On January 30, a federal court ruled that the Department of Energy violated the law when it established a climate science advisory group whose report was intended to support the EPA’s repeal. That decision could leave the final rule vulnerable to legal challenges, raising questions about how durable the policy change would be if challenged in court.

Industry reaction has been mixed. While many groups have supported rolling back vehicle emission standards, some have been hesitant to publicly endorse rescinding the endangerment finding altogether due to the legal and regulatory uncertainty it could create. Critics warn that removing the finding could trigger years of litigation and complicate long-term planning for businesses.

The American Petroleum Institute said last month that it supports repealing the endangerment finding as it applies to vehicles but believes it should remain in place for stationary sources. Keeping the finding for those sources would require the EPA to continue regulating methane, a potent greenhouse gas, from the oil and gas sector.

As the administration moves closer to finalizing the repeal, the decision is expected to spark intense debate and court battles over the future of U.S. climate policy and the federal government’s role in addressing greenhouse gas emissions.