Phoenix Sky Harbor rolls out Earth Month events and sustainability push

Phoenix Sky Harbor is using April to spotlight airport sustainability work with student programming, Earth Day events, and updates on its green-business and carbon-accreditation efforts. The campaign stretches beyond the main airport and reinforces how Phoenix is tying aviation growth to environmental goals.

Phoenix Sky Harbor says it is marking Earth Month with a full month of public-facing sustainability programming, using April to highlight how the airport system is approaching environmental awareness, resilience, and long-term resource planning. The Aviation Department framed the effort as part of a broader strategy to build a smarter and more community-focused airport system as passenger traffic and regional growth continue.

One of the main events is a sustainability-themed SOAR with STEAM day on April 16. Sky Harbor and Southwest Airlines are set to host about 180 students from Wilson Middle School and Estrella Middle School for activities centered on aviation, science, engineering, arts, and math, with a specific emphasis on sustainability and environmental learning. Local businesses and the Phoenix Airport Museum are also participating to connect technical learning with hands-on and creative experiences.

The airport also plans Earth Day programming on April 22 inside the terminals and at the 44th Street PHX Sky Train Station. Sky Harbor said its sustainability team will be joined by PHX Navigators and several city departments, including Water Services, Public Works, Public Transit, and Environmental Programs, along with Valley Metro. The event is expected to include giveaways, music, games, mascot appearances, and outreach for both travelers and airport employees.

Sky Harbor used the announcement to point to measurable progress in its environmental programs. It noted that its PHX Green Business Partner Program won the 2025 Airports Going Green Award and now includes 27 companies across 68 airport locations, with participants recognized at green, silver, or gold levels. That turns sustainability from a back-office initiative into a visible operating standard for vendors and concession partners inside the airport.

The release also connected Sky Harbor's Earth Month messaging to the wider Phoenix airport system. The city said Phoenix Deer Valley Airport and Phoenix Goodyear Airport reached Level 3 in the Airport Carbon Accreditation program for the 2024 reporting year, while Sky Harbor has held Level 4 certification since 2021. For Arizona travelers and business owners, that signals that the state's largest aviation gateway is continuing to invest in climate and efficiency credentials while expanding its role in the region's transportation economy.