Paris climate talks

Michael Mann has an editorial on Scientific American's site putting the well known 2.0C limit in perspective for the upcoming climate talks in Paris. Mann makes a number of important points in his essay (read it here: Meeting a Global Carbon Limit Is Cheaper Than Avoiding One) but there is one point that I want to underscore. The key factor is that there are technological innovations and economies of scale that emerge only in the course of actually doing something. Here's the thing. Let's say you were suddenly in charge of one trillion dollars of money that could be used to address climate…