Michael Barnard, a columnist at AeroTime, presents a visionary perspective on decarbonizing aviation by analyzing projections for the next few decades. The focus on electrification as a key climate action plan, with experts like Mark Z. Jacobson advocating for 100% renewables by 2050, highlights the potential benefits in terms of climate, air quality, and economics. The article delves into the transformation expected in ground transportation towards grid-tied or battery electric vehicles, while also discussing the role of biofuels in shipping. In the aviation sector, the challenges of decarbonization are addressed, with a particular emphasis on the role of battery technology. Despite concerns, Barnard suggests that batteries will play a significant role in decarbonizing aviation, with projections indicating that they could be sufficient for 70% of flights by 2040. Sustainable aviation biofuels are expected to dominate the decarbonization efforts in the coming decades, sourced mainly from waste biomass. The article also forecasts a decline in peak fossil kerosene demand in aviation, signaling a shift towards more sustainable practices. Overall, the outlook is positive, emphasizing the potential for a greener future in aviation through innovative technologies and a shift towards renewable energy sources.