With trillions of dollars required to meet net-zero goals, states, industry leaders and investors are placing strategic bets on the emerging technologies touted as game-changers in the battle against climate change. From questions over the viability of hydrogen and carbon capture, to the formidable logistics of multiplying global renewable energy output, to the technical challenges of next-generation battery storage and nuclear power, much is riding on the major players choosing wisely. In a new series from Herbert Smith Freehills, our experts explore the key solutions touted as clean-power champions, assessing the commercial realities and technical dynamics at hand as the global energy industry races to remake itself for the post-carbon age.