Cross-Roads. After attending a 2016 public lecture at Lab-14 co-hosted by the Australian-German Climate and Energy College, the Climate Institute and the Melbourne Sustainable Society Institute, I mused [pessimistically] that 1.5 or 2 degrees no longer seemed a choice. The IPCC special report on the impacts of global warming of 1.5 °C has just been released today. In essence, zero net emissions by…