Need healthy snacks when you're on the go? That's why Justin Steinfelder and Geremy Bass founded Airfare, which delivers pouches of fresh, natural snack foods to travelers and flight crews all over the world.

To celebrate Earth Day, AIN sat down with Kennedy Ricci, president of business aviation sustainability firm 4Air, to see why operators in this industry should be concerned about their carbon footprint. He also outlines how aircraft operators can make small changes by using sustainable aviation...