EnvironmentFusion power may never happen if we don't fix the lithium bottleneck Nuclear fusion power will probably require vast quantities of enriched lithium – but we aren’t making nearly enough, and ramping up production will mean using toxic mercury 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