The talk delves into the intricate dynamics of climate policy-making and implementation across different levels of governance, from the global to the local. Miranda reflects on the challenges and progress made in addressing climate change, drawing on historical examples like the Montreal Protocol. By examining the divergent responses of major emitters like the United States, China, and the European Union, Miranda explores the role of political, economic, and social factors in shaping climate action. Despite obstacles posed by climate skeptics and vested interests, the talk concludes on a cautiously optimistic note, highlighting the potential for increased cooperation and competition among nations and industries in driving sustainability transitions.