Problem

Long-term shortage of non-ferrous metal ores


Experimental visualization of narrower problems
Incidence:

Zinc is a very important metal for galvanizing roofing sheets, a role for which it has no substitute. It has a base-life-index of between 30-60 years at current rate of extraction.

Problem Type:
E: Emanations of other problems
Date of last update
19.12.2016 – 07:10 CET