3 ms·> no chance there ever will be a shortage. In our lifetimes.by zeckalpha 9y ago> no chance there ever will be a shortage. In our lifetimes.adrianN 9y agoOne can only hope that by the time we turned 13% of our crust into cans we also have technology to mine stuff from asteroids.astrodust 9y agoI think it'll take a long time to use up the crust.