[j4mie]

Do you have a source for your statement about copper? The closest I can find is [1] "The expansion of electricity networks means that copper demand for grid lines more than doubles over the same period". That's a doubling of demand, not of total current circulation.

[1] https://www.iea.org/reports/the-role-of-critical-minerals-in...

[rini17]

Sorry not in circulation, my bad. The discrepance between required(for net zero) and planned mining is still worrying. Other metals like cobalt can be substituted by something else but not copper.

https://www.iea.org/reports/copper