The aviation industry is undergoing a significant transformation in 2025 as efforts intensify to decarbonize air travel and achieve net-zero emissions by 2050. Sustainable aviation fuels (SAF) sourced from renewable materials are a cornerstone of this shift, with initiatives like the U.S. Department of Energy's SAFFiRE and Neste's collaborations driving scalability and availability. Direct air capture (DAC) fuel synthesis, combining carbon dioxide with green hydrogen, is a groundbreaking technology being piloted by companies like Heirloom and integrated by United Airlines. Hydrogen-powered aircraft, such as Airbus's ZEROe program and ZeroAvia's HyFlyer II project, are poised to revolutionize long-haul and regional flights with zero-carbon emissions. Despite hurdles like infrastructure limitations, projects like NASA's AACES 2050 initiative and the Hydrogen Hubs at Airports project are paving the way for hydrogen adoption in the industry. Electric and hybrid-electric propulsion systems are increasingly popular for different flight ranges, showcasing advancements in battery technology and regulatory support. The blended-wing body (BWB) aircraft design is at the forefront of enhancing aviation efficiency, with concepts like JetZero's BWB and Georgia Tech's ATH2ENA project exploring hydrogen integration to optimize performance. Overall, the future of aviation in 2025 is marked by innovation and collaboration towards a more sustainable and environmentally friendly industry, setting the stage for a greener sky.