A remote community of mud huts and corrugated iron roofs in the arid savannah of West Africa could be a trailblazer for a new form of carbon-free energy. The residents of Bourakebougou in Mali are the only people in the world who get their electricity by burning natural hydrogen. First identified bubbling from the depths through a village water well in 1987, the gas contains no carbon and, when burned, produces only water.
But the Malian pioneers could soon lose their unique status. Geologists who once dismissed out of hand the idea that the Earth’s crust was widely impregnated with stores of hydrogen, now say there could be trillions of tons of it lying unnoticed beneath the planet’s surface, with more being generated all the time.
In recent months, prospectors have been rushing to find it — drilling for hydrogen in…
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