The Environmental Protection Agency (EPA) has officially moved to repeal the Endangerment Finding, the foundational scientific and legal determination that greenhouse gas emissions constitute a threat to public health and welfare. This administrative action, executed under the leadership of Administrator Lee Zeldin, has triggered a sharp response from environmental advocacy groups, most notably Protect Our Winters (POW), which has issued a formal demand for Zeldin’s immediate resignation. The repeal represents a significant shift in federal environmental policy, effectively dismantling the scientific justification used for over a decade to regulate carbon dioxide and other greenhouse gases under the Clean Air Act.
The Endangerment Finding, originally finalized in 2009 following the landmark Supreme Court case Massachusetts v. EPA, serves as the legal "trigger" for federal climate protections. By rescinding this finding, the EPA has essentially argued that the link between fossil fuel emissions and threats to human health—such as extreme weather, heatwaves, and respiratory illnesses—no longer meets the threshold for federal intervention. Critics of the move argue that this ignores a vast body of peer-reviewed climate science and leaves the agency without a mandate to curb industrial pollution.
The Scientific and Legal Significance of the Endangerment Finding
To understand the gravity of the current repeal, it is necessary to examine the history of the Endangerment Finding. In 2007, the U.S. Supreme Court ruled that greenhouse gases fit the definition of "air pollutants" under the Clean Air Act. The Court mandated that the EPA determine whether these pollutants "endanger public health or welfare." Following two years of rigorous scientific review involving data from the Intergovernmental Panel on Climate Change (IPCC) and the U.S. Global Change Research Program, the EPA issued the 2009 Finding.
This document identified six well-mixed greenhouse gases—carbon dioxide, methane, nitrous oxide, hydrofluorocarbons, perfluorocarbons, and sulfur hexafluoride—as threats to the American public. It provided the legal architecture for every subsequent climate regulation, including fuel economy standards for vehicles and carbon limits for power plants. By repealing this finding, the current administration is not merely rolling back a specific regulation; it is attempting to remove the very foundation upon which all federal climate authority is built.
Protect Our Winters Issues Demand for Resignation
Protect Our Winters, an organization representing 181 million outdoor enthusiasts, professional athletes, and business leaders—often referred to as the "Outdoor State"—characterized the repeal as a "dangerous new low." In a public statement, the organization asserted that the EPA has abandoned its core mission to protect human health and the environment, choosing instead to serve the interests of the fossil fuel industry.
The call for Administrator Lee Zeldin’s resignation is based on the allegation that the agency has become an "active participant" in a coordinated effort to dismantle clean air and water protections. POW argues that the EPA’s current trajectory ignores the lived experience of millions of Americans who are currently facing the direct consequences of a warming climate. The organization emphasizes that for the $1.2 trillion outdoor recreation economy, which relies on stable winters and healthy ecosystems, the EPA’s shift represents an existential threat.
The "Snow Drought" and Environmental Context of 2025
The repeal comes at a time of visible environmental distress across the American West. Current scientific measurements and satellite imagery indicate that winter snowpack levels are at historic lows for this period of the year. Meteorologists have termed this phenomenon a "snow drought," driven primarily by unusually high temperatures that cause precipitation to fall as rain rather than snow, even at high elevations.
Mountain snowpack serves as a critical natural reservoir for the United States. It stores water during the winter and releases it slowly during the spring and summer months. This cycle is essential for:
- Water Security: Snowpack feeds major river systems that provide drinking water to tens of millions of people.
- Agriculture: Farmers in the Central Valley and other regions depend on predictable runoff for crop irrigation.
- Energy Production: Hydropower generation relies on consistent water flow from melting snow.
- Wildfire Mitigation: A robust snowpack keeps forests hydrated longer into the summer, significantly reducing the risk of catastrophic wildfires.
When temperatures rise and the snowpack thins, the fire season lengthens, and water supplies tighten. POW highlights that these impacts are exactly what the Endangerment Finding was designed to address. By ignoring the science of the snow drought, the EPA is accused of failing to mitigate the risks to rural communities, Tribal nations, and local economies that depend on the winter season.
Chronology of EPA Deregulation: January 2025 to Present
The repeal of the Endangerment Finding is the culmination of a rapid series of deregulatory actions taken by the EPA since the beginning of 2025. This timeline illustrates a systematic effort to reduce federal oversight of industrial emissions:
- January 2025: The EPA announces a review of the 2009 Endangerment Finding, citing the need to "update the administrative record" with newer, industry-focused economic models.
- February 2025: The agency moves to freeze fuel efficiency standards for light-duty vehicles, arguing that the previous standards placed an undue burden on manufacturers.
- March 2025: The EPA signals its intent to weaken the Methane Emissions Reduction Program, which had previously penalized oil and gas companies for excessive methane leaks.
- April 2025: Official repeal of the Endangerment Finding is announced, effectively stalling several pending court cases regarding carbon emissions and removing the legal basis for future greenhouse gas regulations.
These actions represent a departure from decades of administrative precedent. While policy shifts are common between administrations, the repeal of a foundational scientific finding is rare and legally complex, likely leading to years of litigation in federal courts.
Economic Impact on the Outdoor State
The outdoor recreation industry is one of the largest sectors of the U.S. economy, contributing roughly 2.2% to the national GDP. According to data from the Bureau of Economic Analysis (BEA), the sector supports over 5 million jobs and generates $1.2 trillion in annual economic output. This includes skiing, snowboarding, fishing, hiking, and hunting—all of which are sensitive to climate fluctuations.
In states like Colorado, Utah, and Montana, the winter recreation season is a primary economic driver. A shortened season due to low snowpack results in millions of dollars in lost revenue for resorts, hotels, and small businesses. Furthermore, the loss of stable winters affects the manufacturing and retail sectors that produce outdoor gear. POW argues that by dismantling climate protections, the EPA is directly undermining this economic powerhouse in favor of short-term gains for the fossil fuel sector.
Perspectives from Stakeholders and Industry
The repeal has drawn a sharp divide between environmental advocates and industry groups.
Industry Support: Representatives from the fossil fuel and manufacturing sectors have largely welcomed the EPA’s move. They argue that the Endangerment Finding allowed for "regulatory overreach" and that the repeal will provide much-needed "regulatory certainty" for energy producers. Industry lobbyists suggest that voluntary technological innovations, rather than federal mandates, should be the primary driver of emissions reductions.
Environmental and Scientific Reaction: In contrast, scientific organizations and environmental law centers have condemned the move. Legal experts point out that the EPA cannot simply "ignore" science because it is politically inconvenient. They argue that the repeal lacks a rational basis, as the scientific consensus on climate change has only strengthened since 2009. Organizations like the Sierra Club and the Natural Resources Defense Council (NRDC) are expected to file immediate lawsuits to stay the repeal.
Tribal and Rural Concerns: Tribal nations have expressed particular concern regarding water rights and the health of traditional lands. Many rural communities, which are often on the "front lines" of climate change, face increased vulnerability to drought and heatwaves without federal protections to curb the root causes of warming.
Analysis of Legal and Health Implications
The legal battle over the Endangerment Finding is expected to reach the Supreme Court. Legal analysts suggest that the EPA will have to prove that the scientific evidence used in 2009 is no longer valid—a difficult task given that global temperatures have continued to rise and extreme weather events have become more frequent.
From a public health perspective, the repeal could have long-term consequences. Greenhouse gas pollution is often co-emitted with other harmful pollutants, such as particulate matter and nitrogen oxides. Without the Endangerment Finding, the EPA’s ability to regulate these "co-pollutants" from power plants and industrial facilities is weakened. Public health advocates warn of an increase in asthma rates, cardiovascular issues, and heat-related deaths, particularly in underserved communities located near industrial hubs.
Conclusion and Future Outlook
The repeal of the Endangerment Finding marks a pivotal moment in American environmental history. It signals an era where the EPA’s role as a regulator of climate-altering pollution is being fundamentally challenged from within. As Protect Our Winters continues its campaign for the resignation of Administrator Lee Zeldin, the focus shifts to the federal court system, which will ultimately decide if the agency has the authority to disregard its own scientific findings.
For the 181 million Americans who participate in the outdoor economy, the stakes are high. The "snow drought" of 2025 serves as a stark reminder that the impacts of climate change are not a distant threat but a current reality. Whether the EPA can be compelled to return to its mission of protecting human health and the environment remains the central question for the future of U.S. climate policy.