In September 2023, sirens blared again across Hopewell, Virginia, after oleum, commonly known as fuming sulfuric acid, leaked from the AdvanSix chemical plant. The plant, one of many big polluters in ...

On a summer night in 2023, an explosion at one of Louisiana’s biggest petrochemical complexes sent a plume of fire into the sky. More explosions followed as poison gas spewed from damaged tanks at the ...