phl.org
Christine Ottow and Heather Redfern
16 September 2026
Philadelphia International Airport (PHL) is the first airport east of the Mississippi River to achieve Airport Carbon Accreditation (ACA) Level 4 through Airports Council International, a global carbon management certification program for airports. Managed by the City of Philadelphia Department of Aviation, PHL is one of only seven airports in the U.S. to have achieved Level 4...
