| 1 | China controls 97 percent of rare earth production. | |
| 2 | In the first half of this year the total coal output rose by eighty per cent as compared with that of last year. | |
| 3 | He says Peru and Bolivia account for as much as 97 percent of global production. | |
| 4 | Shale now accounts for about 20% of U.S. gas production, but total output is expected to quadruple in coming years. | |
| 5 | Crops could be made to grow on poor soil in marginal lands, increasing overall food production. |
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