NATA (National Air Transportation Association) has released the 2024 update to the NATA Sustainability Standard for Aviation Businesses – a self-certification process for any aviation business interested in pursuing flexible, cost-effective options to lower its carbon footprint. The most significant changes to the standard include additional resources and more flexibility within certain Tier 2 and Tier 3 requirements for aviation businesses to select the most applicable and feasible sustainability actions based on their unique operational environment.