Why has East Asia emerged as the global leader in green energy industries but - until recently - lagged on carbon emission reduction? What is new and distinctive about East Asia''s approach to the green energy transition? And what does this approach mean for the world? Developmental Environmentalism provides the first comprehensive account of East Asia''s green energy shift. It highlights the powerful and symbiotic role of state ambition, geostrategiccompetition, and capitalist market dynamics in driving forward the region''s greening efforts. Through an analysis of the ambitious national strategies of China and South Korea, the authors show how state actors have pursued a distinctively East Asian approach to transforming their energy systems, involving first therapid creation of new green energy industries and then the coordinated destruction of fossil-fuel incumbencies. This approach - described as ''Developmental Environmentalism'' - is aimed at establishing East Asian economies as