Editor’s Be aware: Sign up for Unlocking the Environment, CNN Travel’s weekly e-newsletter. Get the hottest information in aviation, food and drink, in which to remain and other travel developments. CNN  —  This week in journey information: the world’s busiest airports, the best towns for public transit and why Mongolia must be on your 2023 wish checklist. 50 {5a5867cc9cca71cf546db38f42fbf171004839e3542174405390d177276b4f49} of the world’s 10 busiest airports in 2022 were in the United States, many thanks to a strong rebound in the domestic industry. Passenger targeted visitors at the top airport, a long-time Southern hub, was up practically a quarter on the calendar year in advance of. For a glimpse into aviation’s…