Ecologist: Australia has been growing rich from exporting coal to China. But as Kieran Cooke reports, China's renewable energy revolution may soon bring the 'good times' to an end. Owners and operators of the country's coal assets are, for the most part, ignoring what's going on. Coal mining companies in Australia have been enjoying the good life in recent years, making millions of dollars from feeding the seemingly insatiable energy appetites of Asia's tiger economies - particularly that of China. But a...