By Cristina Talacko Which advanced economy plans to power itself by 2050 overwhelmingly with variable wind and solar – no nuclear, no interconnection to a neighbour’s grid, no great rivers left to dam? Yes, Australia. I spend much of my time inside other countries’ energy transitions, and every flight home arrives with a 1980s soundtrack: the B-52s’ Private Idaho – “living in your own private Idaho, underground, like a wild potato”. A state of sealed windows, where the echo passes for the world.