This comment is ambiguous in intent, but worrying in effect. Peak oil is worriesome for a variety of reasons, but peak element / mineral (or more important, ex

This comment is ambiguous in intent, but worrying in effect. Peak oil is worriesome for a variety of reasons, but peak element / mineral (or more important, exhaustion of readily available or recoverable sources of same) is much more so - there's no wind or solar equivalent for certain elements.