Exxon must pay $14.25 million over Baytown air pollution as Supreme Court declines appeal

The U.S. Supreme Court let stand a $14.25 million penalty against ExxonMobil for more than 16,000 Clean Air Act violations at its Baytown, Texas, petrochemical plant.

Kyle McClenagan reports for Houston Public Media.


In short:

  • The Supreme Court’s refusal to hear ExxonMobil’s appeal leaves intact a ruling from the 5th Circuit Court of Appeals, which upheld the $14.25 million civil penalty for pollution at the Baytown facility from 2005 to 2013.
  • The lawsuit was filed in 2010 by Environment Texas and the Sierra Club, representing local residents exposed to over 10 million pounds of air pollutants, including carcinogens and ozone-forming chemicals.
  • Plaintiffs say this is the largest penalty ever awarded in a citizen-led Clean Air Act case and argue it reinforces the public's right to hold polluters accountable in federal court.

Key quote:

"It's been a hard-fought battle for 16 years, and the citizens stuck it out all the way, and justice has prevailed."

— David Nicholas, attorney for the plaintiffs

Why this matters:

Petrochemical plants like Exxon’s Baytown complex emit volatile organic compounds, nitrogen oxides, and other hazardous air pollutants that can harm human health and the environment. These emissions contribute to smog formation, respiratory illnesses, and long-term cancer risks for nearby communities. Baytown sits in a heavily industrial corridor east of Houston, where residents — often lower-income and people of color — live in close proximity to refineries and chemical facilities. Chronic exposure to air pollution in these areas has been linked to higher rates of asthma, cardiovascular disease, and premature death. When enforcement of environmental laws fails or is delayed, the burden of pollution falls on those least able to avoid or address it, deepening environmental injustice.

Related:

Piping infrastructure leading to a geothermal energy pant
Credit: joegough/BigStock Photo ID: 11999561

Geothermal energy gets boost from new coalition of Western governors

Arizona, Colorado, New Mexico, and Utah are joining forces to accelerate deployment of clean, around-the-clock geothermal energy in the region.
Offshore oil drilling platform

Trump’s offshore oil drilling plan threatens military readiness, generals say

A draft proposal would allow for drilling off the California and Florida coasts, including two of the largest areas used for ocean-based military training.
Oil and gas export terminal tanker at dock and multiple storage tanks adjacent to a large waterbody

Oil markets nearing ‘red zone’ as Iran crisis continues, warns IEA chief

Surging demand, low reserves and reduced Middle East exports are predicted to cause a global energy crunch by August.

Coal power as exemplified by twin smokestacks emitting pollutants

Climate denier group pushes states to embrace coal power for data centers

The Heartland Institute used the American Legislative Exchange Council’s 2025 annual meeting to spread climate disinformation and tout coal to power AI.
 Solar panels, wind turbines and nuclear power plant cooling towers
Credit: jaroslavav/BigStock Photo ID: 83377346

Ohio needs power for its data centers. Lawmakers want to redefine ‘clean energy’ to get it

Ohio lawmakers are redefining clean energy to include natural gas to support data center growth, effectively banning solar and wind.
Two oilfield workers working on drilling equipment

70-foot wastewater geyser reflects New Mexico’s latest oilfield challenge

It’s a towering example of the contentious debate over what to do with the state’s ever-growing supply of oilfield waste.
Wheat harvest in process. Wheat combine filling a truck and unharvested wheat in the foreground.

Kansas wheat crop could be worst since 1972 because of weather extremes

Amid a punishing drought, tariffs and the high cost of fertilizers, farming wheat has become more uncertain as farmers in western Kansas are feeling the impact in their major wheat-producing region.
From our Newsroom
Multiple Houston-area oil and gas facilities that have violated pollution laws are seeking permit renewals

Multiple Houston-area oil and gas facilities that have violated pollution laws are seeking permit renewals

One facility has emitted cancer-causing chemicals into waterways at levels up to 520% higher than legal limits.

Regulators are underestimating health impacts from air pollution: Study

Regulators are underestimating health impacts from air pollution: Study

"The reality is, we are not exposed to one chemical at a time.”

Pennsylvania governor Josh Shapiro speaks with the state flag and American flag behind him.

Two years into his term, has Gov. Shapiro kept his promises to regulate Pennsylvania’s fracking industry?

A new report assesses the administration’s progress and makes new recommendations

silhouette of people holding hands by a lake at sunset

An open letter from EPA staff to the American public

“We cannot stand by and allow this to happen. We need to hold this administration accountable.”

wildfire retardants being sprayed by plane

New evidence links heavy metal pollution with wildfire retardants

“The chemical black box” that blankets wildfire-impacted areas is increasingly under scrutiny.

Stay informed: sign up for The Daily Climate newsletter
Top news on climate impacts, solutions, politics, drivers. Delivered to your inbox week days.