To answer the question literally: yes!
And although it is inefficient and expensive, hydrogen is seen as a significant part of a low-carbon future world economy if we are to stop climate disaster. Countries with abundant sunshine or wind could export hydrogen (potentially).
For more detail, here are some links:
https://h2v.eu/hydrogen-valleys
https://chariotenergygroup.com/operations/green-hydrogen/
https://geo.om/
There are several large projects at various stages of financing for large scale green hydrogen production, some using desalination.
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