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 ¿ìè¶ÌÊÓÆµ
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 ¿ìè¶ÌÊÓÆµ