When considering what a global energy system on a 1.5°C or 2°C pathway will look like by 2050, hydrogen consistently plays a critical role as an energy carrier. Renowned institutes like the International Renewable Energy Agency (IRENA), the Energy Transitions Commission and the Hydrogen Council anticipate as much as 18% of global final energy demand to be provided by hydrogen by 2050. 
Hydrogen is currently enjoying unprecedent political and business momentum, with the number of policies and projects around the world expanding rapidly, including in North America. But its use today is dominated by industry, namely oil refining, ammonia production, methanol production and steel production. Virtually all of this hydrogen is supplied using fossil fuels, so there is significant potential for emissions reductions from clean hydrogen
A many-splintered thing
That potential is a many-splintered thing, with hydrogen’s deployment spanning several key areas of industry and society.
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