Greenhouse Gases

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greenhouse-gas-icon-cs5Greenhouse Gases

Greenhouse gas (GHG) emissions from global commercial and industrial activity are a leading cause of anthropogenic climate change. Airport-related GHG emissions are generated by a number of sources, including vehicles and equipment, offsite generation of electricity used in the terminal buildings, and aircraft operations.

In 2016, the Aviation Department joined the internationally recognized third-party verified Airport Carbon Accreditation Program. The Airport Carbon Accreditation Program is a voluntary initiative for airports to demonstrate their commitment to reducing greenhouse gas emissions.

Phoenix Sky Harbor has maintained certification at Level 2 – Reduction of airport owned and operated CO2 emissions year over year since. There are only 14 airports in North America that have achieved Level 2 as of 2019.

Over 90 percent of carbon emissions from airport controlled sources come from the purchase of electricity. Please see the Energy energy-icon-cs5section on efforts at PHX to reduce energy consumption.

Predominately due to energy conservation efforts, PHX exceeded a goal set in 2015 to reduce emissions by 10% by 2020 and achieved a 13% reduction per passenger in 2018.

A new goal for all City of Phoenix Departments – carbon neutrality by 2050 – has been set for airport-controlled sources, and as part of this effort, the Aviation Department developed the Carbon Reduction Policy and Strategy.

In 2020, PHX will report via the Airport Carbon Accreditation Program at Level 3 – Optimization. Level 3 includes the GHGs from airport tenant and user activities. While not in control of its business partners’ decisions, the Aviation Department will look for opportunities to influence best practices that decrease GHG emissions from all activities at the airport.

greenhouse-gas-icon-cs5PHX received recognition from the internationally recognized Airport Carbon Accreditation program for reducing airport emissions.

ACI-NA Carbon Accreditation Award 2016
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