Highlights•Hydrogen has a key role for a multisectorial defossilization and decarbonization.•
System-wide assessments of the impacts of a hydrogen economy on SDGs are …

Hydrogen is currently enjoying a renewed and widespread momentum in the energy market.
In the last years, demand for hydrogen has substantially increased worldwide, with several …

Hydrogen is not a primary fuel. It must be produced from water with either fossil or
renewable energy sources. Thermochemical conversion processes, such as pyrolysis …

A long-term hydrogen-based scenario of the global energy system is described in qualitative
and quantitative terms here, illustrating the key role of hydrogen in a long-term transition …

Highlights•Green hydrogen is uniquely equipped to decarbonize sectors which do not have
green alternatives.•A 'hydrogen economy'is an essential secondary energy economy to …

Several factors have led to growing interest in a hydrogen energy economy, especially for
transportation. A successful transition to a major role for hydrogen will require much greater …

Policymakers and global energy models are increasingly looking towards hydrogen as an
enabling energy carrier to decarbonize hard-to-abate sectors (projecting growth in hydrogen …

This paper reviews the role envisaged for hydrogen energy within the context of global and
national 'sustainable'energy strategies, that is, strategies seeking to address climate change …

Hydrogen can be recognized as the most plausible fuel for promoting a green environment.
Worldwide, developed and developing countries have established their hydrogen research …

Hydrogen produced with renewable energy sources–or “green” hydrogen–has emerged as
a key element to achieve net-zero emissions from heavy industry and transport. Along with …