Environmental Mayor Emanuel Announces Next Steps in Crack Down on Harmful Pet Coke Dust by Gary Kopycinski on February 13, 2014 Gary Kopycinski Author More in Environmental: People Outside Will Be Injured: Severe Thunderstorms Strike Park Forest March 31, 2026 Park Forest Officials Urge Residents to Protect Pipes as Coldest Air of the Season Continues December 14, 2025 Park Forest Workshops Join Global Effort to Prevent Bird Collisions August 21, 2025 New Ordinance Would Ban New Pet Coke, Coke, and Coal Facilities in Chicago and Prohibit Existing Facilities from Expanding; City is Finalizing Regulations After End of 50-Day Public Comment Period