by Ilissa B. Ocko and Steven P. Hamburg
Hydrogen is quickly gaining attention as a “clean” fuel that can support a transition to a 5 decarbonized energy system.
Given the urgency to decarbonize global energy systems, governments and industry are moving ahead with efforts to increase hydrogen technologies, infrastructure, and applications at an unprecedented pace, including billions in national incentives and direct investments. While zero- and low-carbon hydrogen hold great promise to help solve some of the world’s most pressing energy challenges, hydrogen is also a short-lived indirect greenhouse gas whose warming impact is not well-characterized.
