Alps, Pyrenees Flagged as Natural Hydrogen Sites
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- Researchers used plate tectonic simulations to study the Pyrenees, Alps, and Baetic mountain ranges for natural hydrogen production potential.
- The study, published in the Journal of Geophysical Research: Solid Earth, identified the Alps and Pyrenees as strong natural hydrogen exploration sites.
- In both the Alps and Pyrenees, mountain building brought deep mantle rocks to the surface at a rate that allowed water reactions, releasing hydrogen that accumulated in porous rock layers above.
- The Baetics in southern Spain showed faster uplift and erosion rates, leaving insufficient time for large hydrogen volumes to form and stripping away potential reservoir rocks.
- Hydrogen gas is anticipated to play a central role in decarbonizing hard-to-abate sectors including chemical production, shipping, and steelmaking.
- Synthetic hydrogen production remains energy-intensive and costly, motivating the search for naturally occurring sources.
- The authors say their methods could be applied to other mountain ranges globally to help identify additional potential natural hydrogen sources.
Why it matters: Finding cheap, abundant natural hydrogen is critical for displacing fossil fuels in hard-to-abate sectors like steelmaking and shipping — and this study gives exploration companies specific targets (the Alps and Pyrenees) plus a replicable tectonic-modeling method to evaluate other mountain belts worldwide.
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