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Researchers just discovered a massive 'jacuzzi bubbling with almost pure hydrogen' — a lucrative source of clean energy
(www.businessinsider.com)
This is a most excellent place for technology news and articles.
Clean until you use a bunch of equipment to get it captured. The hydrogen might be carbon free, but that doesn't mean it doesn't have a carbon footprint.
Convince me otherwise, but the only green hydrogen is from renewable energy powered electrolysis.