The potential wave energy on coastlines can provide 1/5 of world demand.

To turn things around, the pie - that is, world demand - has to grow again.

Prices were also suffering from a cut in world demand.

There is also the problem of weak world demand.

At current prices, 500 tons is worth about $12 billion and amounts to the world demand for three years.

Further, the price should be pushed down by overall levels of supply and the declining world demand for oil.

The world demand for oil will continue to increase.

Total world demand last year was 3,480 metric tons, up 12 percent.

In addition, world demand for commodities is far from booming.

To understand what our position in the world demands of us.