Power alternatives: Melbourne is ideally placed geographically to exploit biogas resources. Photo: James Davies Looking out an aircraft window as you come in to land at Tullamarine Airport, our city looks clean, green and pollution-free, and solar panels wink back at you from a growing number of roofs. But the simple fact is that Australian cities are more dependant now on coal than they were at the height of the Industrial Revolution. It's just that the energy generators are hidden away in the hinterlands, feeding vast amounts of power to the cities through high-voltage cables, and pumping out invisible carbon dioxide. It is the coal from Gippsland and the Hunter Valley that keeps the...
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