David Leffler Investigates Pollution and Environmental Health

David Leffler

David Leffler is an Austin-based investigative journalist whose work centers on chemical pollution, environmental health, and regulatory accountability in Texas. He currently serves as Editor and Senior Staff Writer at Public Health Watch, where his reporting has examined industrial pollution, government oversight, and the experiences of communities living near major petrochemical facilities.

His work has developed through long-term investigations, extensive public-records reporting, and direct engagement with affected residents. Leffler has also expanded into investigative audio as the writer and host of Fumed, a Public Health Watch podcast focused on environmental and regulatory problems around Channelview, Texas.

CategoryDetails
Current roleEditor and Senior Staff Writer at Public Health Watch
Reporting focusChemical pollution and environmental health
EducationB.A. in government, University of Texas at Austin
HometownAustin, Texas
Investigative audioWriter and host of Fumed
Civic roleLBJ Future Forum board member
Livingston recognitionTwo-time local-reporting finalist

His Texas Background Helped Shape His Reporting Focus

Leffler is an Austin native who graduated from the University of Texas at Austin in 2014 with a bachelor’s degree in government. His earlier professional work included political reporting and long-form journalism before environmental investigations became a larger part of his career.

In a July 2025 interview with Moms Clean Air Force, he connected that shift partly to his experience growing up in Texas. He recalled childhood drives through the Houston area, where the concentration of industrial facilities left a lasting impression.

As he moved further into investigative journalism around 2020, Leffler said he became interested in environmental reporting through a basic question of accountability: whether people have access to clean air and water. He has described his approach as examining where institutional power sits and who experiences the consequences of decisions made by those institutions.

He also directly identified himself as an environmentalist in that interview, while arguing that concern about healthy surroundings is broader than any single political or ideological label.

A 2021 Chemical Release Became a Turning Point

One of the clearest turning points in Leffler’s environmental reporting came on July 14, 2021.

He was working in Port Arthur when clean-air advocate Juan Flores alerted him to a chemical release in Galena Park, near Houston. Leffler drove back toward the affected area and later wrote a first-person account of what happened.

Leffler later described the incident as a pivotal professional experience that helped shape a broader investigation into industrial pollution, politics, and regulatory enforcement in Texas.

His Investigations Examined Pollution Enforcement in Texas

In June 2022, Leffler and fellow journalist Savanna Strott published an investigation into Harris County’s efforts to penalize chronic industrial polluters.

Their reporting examined a structural problem: local officials could identify repeated violations and seek stronger consequences, but Texas law limited how far those penalties could go. The investigation placed local environmental enforcement within the wider political and regulatory system governing industrial pollution in the state.

Texas lawmakers later increased the maximum daily penalty for certain pollution violations from $25,000 to $40,000 in 2023, the first increase of that kind since 2011. Public Health Watch has linked its earlier environmental investigation to the legislative response, though the change resulted from a broader political and regulatory process rather than one journalist’s actions.

Leffler and Strott also investigated failures leading up to the March 17, 2019 Intercontinental Terminals Company fire in Deer Park. Their reporting, published in 2023, examined warning signs and regulatory problems that existed before the disaster.

That project took about 10 months and drew on pollution data, government inspections, interviews, and thousands of pages of records. Rather than focusing only on the fire itself, the investigation reconstructed how regulatory decisions had developed over a much longer period.

Records and Source-Building Became Central to His Investigative Method

Leffler’s work with Strott offers an unusually detailed look at how he approaches large investigations.

In a joint first-person account published by SEJournal, the two reporters explained that locating retired regulators required dozens of calls. Building enough trust for those sources to speak openly required even more persistence.

Those interviews then helped point them to documents that could establish what regulators and industrial operators knew at different points in time. Their work relied on Freedom of Information Act requests, Texas open-records requests, inspection material, pollution data, and records stretching back to 2002.

The process combined human sourcing with document-based verification. Rather than depending on one interview or one dataset, the reporting assembled a chronology from multiple forms of evidence.

Leffler and Strott have described follow-up reporting as an important part of holding institutions accountable after a major investigation is published.

His Environmental Reporting Expanded Into Investigative Audio

Leffler later carried that long-term reporting approach into audio journalism as the writer and host of Public Health Watch’s four-part podcast Fumed.

The series debuted in March 2025 and followed residents of Channelview, an industrial community east of Houston, as they dealt with petrochemical expansion, environmental and health concerns, and questions about government oversight.

Leffler spent roughly two years reporting and recording the project. The work involved extended time with residents rather than short reporting visits, allowing the podcast to examine how regulatory decisions affected daily life within the community.

In his 2025 interview, Leffler said the reporting also changed how he thought about political labels. His conversations with residents, including Carolyn Stone and Greg Moss, gave him a clearer understanding of why people might distrust government institutions after believing regulators had failed their community for years.

He also said environmental-health concerns do not always align neatly with partisan divisions. Residents can share concerns about industrial pollution even when their broader political views differ considerably.

That perspective became part of the reporting rather than a separate political argument. The focus remained on the relationship between residents, industrial development, and institutions responsible for regulating environmental risks.

His Reporting Has Been Followed by Policy Changes and Professional Recognition

Some of Leffler’s investigations have led to documented policy responses.

At the end of 2025, Public Health Watch reported that Houston had changed parts of its industrial permitting process after Fumed highlighted problems involving industrial projects and residential deed restrictions. Leffler reported on those changes himself.

His collaborative work has also received recognition from journalism organizations.

The Public Health Watch Toxic Texas Air series received the National Press Foundation’s 2023 Thomas L. Stokes Award for Best Energy and Environment Writing. Leffler was among the journalists credited on the series.

He and Savanna Strott were also named 2023 Livingston Awards finalists for local reporting. In 2026, Leffler returned to the finalist list alongside Strott and Salina Arredondo.

He did not win the 2026 Livingston local-reporting award; William Skipworth won.

The Fumed project added further recognition during 2025 and 2026. The project earned a Bronze Barlett & Steele Award, two SABEW Best in Business honorable mentions, a National Headliner Award for narrative podcasting, and a national Edward R. Murrow Award for News Series.

These honors belong to collaborative projects and reporting teams rather than to Leffler alone, but they form part of the professional record of the investigations he helped report, write, and present.

His Current Work Continues to Center on Environmental Accountability

Public Health Watch currently lists Leffler as Editor and Senior Staff Writer, a more senior title than the staff-writer and contributing-writer descriptions found in some older profiles.

His beat remains centered on chemical pollution and environmental health. Recent work has continued examining Channelview and the wider Houston-area regulatory environment, including questions about community health data and industrial development.

His public activities also extend beyond the newsroom. The LBJ Library lists him as a member of the LBJ Future Forum Board of Directors, a civic and professional role connected to the Austin institution.

The clearest thread through his recent work is accountability journalism built around institutions with regulatory or industrial power. Leffler has directly described his reporting philosophy in those terms: identifying where power sits and examining which communities bear its consequences.

David Leffler’s Work Connects Reporting With Environmental Accountability

David Leffler’s career has developed from Texas political and long-form reporting into sustained investigations of chemical pollution, environmental health, and regulatory oversight.

His reporting has combined prolonged community engagement with public records, regulatory documents, source-building, and follow-up journalism. Investigations into Harris County pollution enforcement and the ITC fire established that approach in print, while Fumed extended it into narrative audio.

The public record around his work is strongest when focused on those investigations and their aftermath: changes to pollution penalties, Houston permitting policies, continuing scrutiny of industrial communities, and professional recognition for collaborative reporting.

Rather than functioning mainly as a conventional biography, Leffler’s profile is best understood through the subjects he investigates and the reporting methods he uses to examine environmental accountability in Texas.