Huffington Post: "Follow the yellow brick road". So Dorothy is told in the classic 1939 movie, The Wizard of Oz. Alas, if the world's economies only had such a clear and singular path to follow subsequent to the recent promising Paris Climate Accord. While the accord has raised hopes that government leaders are serious about reversing climate change, in reality, the path forward is probably more like a vast river with multiple tributaries that merge before powering toward the sea. To significantly reduce our carbon...