Maritime shipping and aviation together represent over 5 % of global energy-related CO2 emissions, making decarbonisation of these sectors essential. While electric vehicles have revolutionised road transport, aviation and shipping face unique decarbonisation challenges from longer asset lifetimes, complex infrastructure needs, and fuel compatibility requirements. In this episode, IRENA's Arno van den Bos, Analyst – Green Hydrogen Energy (Power to X), explores the innovative approaches needed to cut emissions to make global transport cleaner and more sustainable.