| http://www.w3.org/ns/prov#value | - But the cost and scarcity of cleaner resources such as natural gas, solar energy and wind have left coal the most palatable option for fast and cheap development.To cut coal, it would take a complete re-adjusting of China's economic structure and that in turn would have a negative impact on growth, Ma says.Yet such a re-adjustment is underway, at least judging by the pronouncements of many top C
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