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New study says one Houston power plant may be making the clouds
Chron • • science
Key Points:
- Researchers at UC San Diego identified the W.A. Parish Generating Station near Houston as the primary source of cloud-forming aerosol particles across much of the metropolitan area, with its emissions creating tiny airborne particles that facilitate cloud development.
- The plant's emission plume extends over downtown Houston and more than 65 miles downwind, making it the dominant contributor to cloud-forming aerosols in the region.
- Lead author Greg Roberts highlighted a public health concern, noting that the same particles aiding cloud formation are small enough to penetrate deep into lungs and are commonly linked to respiratory illnesses.
- The findings may help explain unusual cloud bands observed over Houston freeways, as a rare combination of heat, moisture, and condensation nuclei from urban sources, including vehicle exhaust, can create localized cloud formations.
- The W.A. Parish Generating Station's parent company, NRG, stated they comply with all regulatory standards and emphasized that Houston's air quality is influenced by multiple sources, underscoring the complexity of the issue.
