Weirdly Australia, on the threshold of becoming the worst polluter on the planet in its own right with a coal friendly government, is about to put into action a plan to supply 20% of Singapore’s electricity directly via a monstrous cable plugged into a huge 3 GW solar farm in Australia’s unwanted outback. If something like that can be built, it simply begs the question “Why wouldn’t Australia do it for its own use?” But this is all about opportunities and making money, not doing the right thing by the planet. Singapore has always had an energy problem with no real natural resources of its own. It relies almost entirely right now on gas turbines for its electricity – and…