More than 125 people will lose their jobs, and a labor leader cited Pa.’s expected entry into the Regional Greenhouse Gas Initiative as a key factor. The plant’s CEO says “we did everything possible to maintain our operations.”

The groups had sought $42 million for 102-day pollution control outage that sent emissions soaring.

Burning chemicals with chlorine in them, like vinyl chloride, can create dioxins–toxic chemicals that can linger in the environment for years.

On the night of Feb. 3, 38 cars of a Norfolk Southern train derailed, including 11 that were carrying hazardous materials.