- Months after residents sound the alarm, Pennsylvania 'cracks' down on Shell plant: “It’s not normal to look up in the sky and see flames,” said a local resident. “The sky has been a completely different color” since the plant became operational https://www.nbcnews.com/news/us-news/pennsylvania-cracks-down-shell-plastics-cracker-plant-rcna82750 3 comments environment