EnvironmentHow green hydrogen could power industries from steel-making to farming Many industries are eyeing up hydrogen as a source of clean energy, but with supplies of green hydrogen limited, we should prioritise the areas where it could have the most positive impact on carbon emissions, say researchers 51¶¯Âþ
EnvironmentAre vast amounts of hydrogen fuel hidden below Earth's surface? Geologists estimate Earth contains several trillion tonnes of natural hydrogen that could be used as a clean fuel, but a global search for large reserves hasn’t delivered so far 51¶¯Âþ