Copper, especially, is a key ingredient in electric cars, wind turbines and batteries. Suppliers are not ready to meet the demand.
The Missouri Department of Transportation spent almost $1 million last year on repairing street lights caused by thefts of copper wire.
Millions of dollars worth of valuable metals end up being flushed down the drain, some coming from our own bodies.
Exports from big states like Texas, California and Michigan have soared since the 1990s when the North American Free Trade Agreement opened U.S. markets to Mexico. But not every state has been as savvy promoting cross-border trade.