The Paris-based International Energy Agency is perhaps the world’s most august energy advisory body. It was formed in the wake of the 1973 oil crisis to advise world governments on how to respond to supply shocks and to serve as a reliable source of nonpartisan information on global energy issues. Now four decades old and inclusive of 29 member states, it’s a pretty conservative institution. Last Friday, it quietly released its very sexily-named Medium-Term Renewable…