Environment ❯ Pollution

Air Pollution

Particulate Matter Health Effects Air Quality Index Smog Urban Air Quality Sources of Pollution Urban Pollution Vehicle Emissions Air Quality Health Impacts

City Trees Found to Drive Half of Ozone-Forming Chemistry

Species choice with rising temperatures boosts tree emissions that heighten urban ozone risk.

Lineage Misses City Cleanup Deadline as Boyle Heights Health Report Finds Hundreds Sickened

Keller Votes to Oppose Neighboring Westlake Data Center

Judge Pauses Installation of Four Diesel Generators at Lowell Data Center

Wildfire Smoke Now Drives Most Unhealthy Prenatal Air-Pollution Days in U.S.

Fine Particles Linked to Worse Rheumatoid Arthritis in South Korean Cohort

Delhi Approves PARIVARTAN Plan to Replace Old Trucks and Buses With BS‑VI and Electric Vehicles

Toxic Tyre Chemical Found on Many Brisbane Balconies

Smoke From Canadian Wildfires Clouds New York Ahead of World Cup Final

Trump Threatens Higher Tariffs on Canada Over Smoke From Massive Wildfires

Canadian Wildfire Smoke Drives U.S. Rush for Air Purifiers

Driving the Speed Limit Could Save Millions a Day, Study Finds

Hoy No Circula Operates Under Regular Calendar in Mexico City as No Double Restriction Is Triggered

Punjab Plans 5,000 Electric Buses, Launches Service in Five Cities

Alligator Alcatraz Closed as Generators and Tents Are Removed

xAI Installed Dozens of Unpermitted Gas Turbines to Power Colossus 2, Reports Say

Chemical Odor Reported in Pasadena as Officials Cite Nearby Flaring

Exempted Coal Plants Drive Most SO2 Emissions Near Delhi

Study Links Cruise-Ship Ultrafine Pollution to Increased Viral Susceptibility

EPA Proposes Narrow Rollback of Biden-Era Heavy‑Duty Truck NOx Rule