Shell's ethane cracker in Beaver County has had air pollution problems since it started up in the fall. Now, some of its supporters are beginning to question its ability to be a good neighbor.
Residents in East Palestine, Ohio worry about the health impacts of vinyl chloride exposure. A similar accident occurred about 10 years ago in New Jersey.
Many in East Palestine are trying to get back to their ordinary lives, as the cleanup of toxic waste continues. For students, that means putting on the school musical.
The federal lawsuit had asked for $42 million fine for U.S. Steel under the Clean Air Act. The fire knocked out pollution controls for more than 100 days.