Cotton prices hit their highest levels in nearly three years on fears that global supplies are running short.

Copper prices continued to plunge despite a tight global supply.

"We're in a period of low global supply and increasing demand," he said.

Washington has warned Beijing against trying to "lock up" global supplies.

Almost certainly the global supply of oil peaked, permanently, in 2008.

And oilalarm.com aside, we will see what happens with the global supply of oil.

A major focus of the G8 since 2009 has been the global supply of food.

As a result global supply is being increasingly monitored and examined.

Even global supplies of technology workers are no longer as available as they once were.

The global supply of oil peaked last year - permanently.