SMRTR Science & EngineeringDec 9, 2025Live Science

Earth's crust hides enough 'gold' hydrogen to power the world for tens of thousands of years, emerging research suggests

SMRTR summary

A 1987 explosion at a water well in Mali revealed the world's first productive natural hydrogen reservoir, sparking global interest in "gold" hydrogen that could power civilization for tens of thousands of years. New research estimates Earth's crust contains 6.2 trillion tons of this clean-burning gas—26 times more than remaining oil reserves—with just 2% capable of replacing fossil fuels for 200 years.

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