"Margaret Thatcher was an unlikely hero for a climate change movement that's sometimes accused of left-wing, quasi-religious crusading.
The day before the Berlin Wall fell in 1989, the Tory British prime minister stood in the United Nations General Assembly and, acknowledging that Cold War hostilities were receding, declared a new war against ''another insidious danger'' - global warming.
Fine words, but her more practical contribution was to spend a bloody year grinding Britain's coal mining union into history. The result is that the UK left hundreds of years' supply of coal lying in the ground and turned instead to natural gas.
Britain's power is now relatively clean. Per head, Britons produce half the CO2 emissions of Australians. Could Australia achieve the same? Could we simply shut down coal-fired power generation and replace it with something else?"
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