The health burden and racial-ethnic disparities of air pollution from the major oil and gas lifecycle stages in the United States.

Vohra, Karn; Marais, Eloise A; Achakulwisut, Ploy; Anenberg, Susan; Harkins, Colin · Sci Adv · 2025

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Abstract

The United States has one of the world's largest oil and gas (O&G) industries, yet the health impacts and inequities from pollutants produced along the O&G lifecycle remain poorly characterized. Here, we model the contribution of major lifecycle stages (upstream, midstream, downstream, and end-use) to air pollution and estimate the associated chronic health outcomes and racial-ethnic disparities across the contiguous US in 2017. We estimate lifecycle annual burdens of 91,000 premature deaths attributable to fine particles (PM<sub>2.5</sub>), nitrogen dioxide (NO<sub>2</sub>), and ozone, 10,350 PM<sub>2.5</sub>-attributable preterm births, 216,000 incidences of NO<sub>2</sub>-attributable childhood-onset asthma, and 1610 lifetime cancers attributable to hazardous air pollutants (HAPs). Racial-ethnic minorities experience the greatest disparities in exposure and health burdens across almost all lifecycle stages. The greatest absolute disparities occur for Black and Asian populations from PM<sub>2.5</sub> and ozone, and the Asian population from NO<sub>2</sub> and HAPs. Relative inequities are most extreme from downstream activities, especially in Louisiana and Texas.

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