Good read:"Mr Ferguson...noted that if Australia abandoned coal...

Good read:

"Mr Ferguson...noted that if Australia abandoned coal and coal-seam gas exports, its customers would be forced to use lower-quality coal from overseas that would cause greater global levels of carbon pollution....

Later, Mr Ferguson told The Australian that Australian coal was relatively clean by international standards and, if its exports ceased, customers such as China would be forced to use coal that would discharge greater levels of carbon."

http://www.theaustralian.com.au/national-affairs/labor-rebuffs-greens-on-coalmines/story-fn59niix-1226062290548