As the world scrambles to reach net-zero emissions by 2050, hydrogen has emerged as a potential silver bullet to help mitigate climate change. Hydrogen has been in consideration as a potential aid to decarbonization for over 50 years. However, it is only now that it has gained traction in government strategies, business plans, and the media. But what makes the attention given to hydrogen in the 2020s different from the 1970s? This article relates to SDGs 7 and 13.