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1. China is the world's largest buyer of iron ore and last year increased imports by 42 percent to a record 628 million metric tons.

2. But people dug out about 100 tons of sweet potatoes from his farm within an hour without buying almost any of the other vegetables.

3. This means there is a shortfall of 6 billion tons even if all the most ambitious pledges by individual countries are combined.

4. China is by far the world's largest grain producer, with a 2002 harvest of 402 million tons.

5. Petroleum gas will reach 170 million tons by 2010, most of which will reach China by sea.

6. A market demand for 300 to 500 tons of gold will be created by individual traders in the initial stages.

7. A river near World Heritage site Zhangjiajie National Forest Park is being polluted by thousands of tons of waste being dumped directly into the river.

8. Experts estimate that 20 tons of cadmium leaked into the Longjiang, polluting up to 300 kilometers of the river.

9. Equipment to test for benzene pollutants and 150 tons of activated carbon to upgrade water filtration systems are on their way from China to Russia.

10. The authorities have dispatched pumps, tons of activated carbon and other materials to contain and absorb the spill.