Air transportation, as a human activity, encompasses the organized operation, management, and regulation of aircraft for the movement of passengers, cargo, and mail through the atmosphere along predefined routes and schedules. It includes the technical and operational functions of airlines, airports, air traffic management, and ground support services, as well as compliance with international and national aviation regulations and safety standards. The activity integrates flight operations, maintenance, crew training, scheduling, network planning, and logistics, and relies on coordinated interactions among regulatory authorities, service providers, and users to maintain safety, efficiency, capacity, and environmental performance within the global air transport system.
Rising living costs, energy insecurity, widening inequality, and escalating climate impacts are fueling discussions on fairness and justice in climate policy. Yet, assumptions in global emission scenarios that determine who ...
Environment
Apr 13, 2026
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Small changes to aircraft flight paths to avoid the atmospheric conditions that create condensation trails—known as contrails—could reduce aviation's global warming impact by nearly half, a new study suggests. The study, ...
Environment
Mar 17, 2026
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The carbon footprint of the Olympic Games remains substantial, despite reforms by the International Olympic Committee. A new study by the University of Lausanne shows that the Olympic model needs further reform to comply ...
Environment
Feb 18, 2026
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16
Every effort to reduce greenhouse gas emissions can help us combat the rampant effects of global warming. While research on sustainability practices is making progress in various aspects of our lives, academic research itself ...
Environment
Nov 10, 2025
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