It's only Natural
Like our agriculture and horticultural products, scarcity and control along with damage and depletion tell the story of our impact on what we term 'natural resources'. To the mix we add water, air and soil.
The BBC tells us that worrying about when a resource is likely to run out is the wrong approach. This in an article that tells us some of the rarer minerals, used in common devices, could be depleted in as little as twenty years.