In this Sept. 11, 2012 photo, a coal train leaves Gunnedah, Australia, 450 kilometers (280 miles) northwest of Sydney. At present, a coal train leaves or arrives in the region once every two-to-three ... more 
In this Sept. 11, 2012 photo, a coal train leaves Gunnedah, Australia, 450 kilometers (280 miles) northwest of Sydney. At present, a coal train leaves or arrives in the region once every two-to-three hours, but is expected to increase to one every 19 minutes once proposed mines are in full swing. (AP Photo/Rob Griffith) less 
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Associated Press | Photo By Rob Griffith
Sun, Dec 9, 2012 7:24 PM EST