how have we not run out of metal yet?

Question

We have millions of cars, planes, rebar, jewelry, bullets, boats, phones, wires, etc. How is there still metal being made? Are we projected to run out anytime soon?

In: Other

Answer 1

There’s 1.4 x 10 to the power 21 tonnes of iron in the earth’s crust. If we can access 1 millionth of this, we can mine another 1000 billion tonnes.