Overview of the green hydrogen economy, focusing heavily on financing, technological development, and market challenges. Several texts highlight the critical need for public and blended financing solutions to de-risk projects, particularly in developing nations, and offer detailed guidance on structuring financial agreements for green hydrogen initiatives. Additionally, the sources examine the venture funding landscape for hydrogen startups in the US and Europe, noting that while Europe competes well in early-stage funding, the United States significantly outpaces Europe in late-stage equity funding. Other material features specifics on hydrogen's potential uses in industrial decarbonisation and presents analytical tools, such as the Levelised Cost of Hydrogen (LCOH) calculator, which breaks down production costs by factors like capital expenditure, electricity source, and taxes across different countries and technologies. Finally, the texts profile specific hydrogen fuel cell startups and discuss high-level industry events emphasising collaboration and policy alignment to accelerate the transition to net-zero emissions.