At the recent World Economic Forum in Davos, there was a lot of talk about the need to change the world's energy usage in order to address climate change. While it's easy to get cynical about business leaders and politicians talking about sustainability on a mountaintop in Switzerland, it turns out that a lot is already happening right now. On the latest Odd Lots episode, we speak with journalist and analyst Gregor Macdonald, the editor of The Gregor Letter, about what's actually happening on the ground. And why the transition to renewable energy is happening fast, even in the absence of aggressive government subsidies.