Houston Airports hits 19% carbon reduction, earns Level 3 accreditation for IAH, HOU and EFD
HOUSTON, TX – Houston Airports has reached a new carbon reduction milestone, achieving a 19% systemwide decrease in emissions compared to its 2019 baseline. As a result, George Bush Intercontinental Airport (IAH), William P. Hobby Airport (HOU), and Ellington Airport/Houston Spaceport (EFD) have earned Level 3 status in the Airport Carbon Accreditation program.
Level 3 Carbon Accreditation group photo.August 27, 2025. (Photo Courtesy of HAS)
From 2019 to 2023, Houston’s airports recorded the following emissions reductions:
IAH: 17% reduction
HOU: 32% reduction
EFD: 4% reduction
The achievement moves Houston Airports halfway toward its goal of a 40% reduction in emissions and reflects initiatives such as the deployment of electric vehicles, upgrades to LED airfield light...









