Environmental Protection Agency panel meets in Raleigh to review pollution linked to asthma
A federal panel from the U.S. Environmental Protection Agency is meeting in Raleigh, NC, to review research on nitrogen oxide pollution and its health effects. This review comes as growing electricity demand from AI and data centers is driving proposals for new power plants and generators, which can emit nitrogen oxides. The committee's findings could influence future federal air-quality standards.
A panel of scientists from the U.S. Environmental Protection Agency's Clean Air Scientific Advisory Committee is convening in Raleigh, NC, this week to examine the latest scientific findings regarding nitrogen oxide (NOx) pollution and its impact on human health. The committee's review could potentially lead to a revision of the federal air-quality standard for nitrogen dioxide.
This meeting is particularly relevant as the surging electricity demand from AI technologies and data centers is prompting proposals for new power plants, gas turbines, and extensive fleets of diesel generators, all of which are sources of NOx emissions. Dan Costa, a Raleigh-based scientist and former EPA air quality expert, highlighted that the latest research reaffirms the known health effects of nitrogen dioxide, especially on vulnerable populations such as those with asthma or existing heart and lung conditions, and suggests these effects can occur at lower concentrations than previously understood.
While computer servers themselves do not produce significant NOx, the concern stems from the energy infrastructure required to power data centers. These facilities often rely on numerous diesel generators for backup power or propose on-site natural gas turbines. The continuous, substantial electricity draw from the grid could lead utilities to increase operations of fossil fuel plants, delay retirements, or build new generation capacity, potentially increasing NOx emissions near these facilities and downwind. The Environmental Protection Network, composed of former EPA employees, recently released a report emphasizing these concerns, suggesting that pollution linked to data centers can affect communities widely.
The committee will not establish new pollution limits during this meeting but will recommend changes to the scientific assessment, eventually advising the EPA administrator on whether to revise the existing standard. The EPA encourages written statements throughout the advisory process.