One of the most important challenges for institutional investors in the next several years is dealing with an environment of low-yielding opportunities combined with the rising need to deploy large amounts of capital and meet growing liabilities. At the same time, one of the most important challenges for the world as a whole is dealing with global warming and its proven economic impacts and negative consequences for humanity. While seemingly disparate, these two challenges have only recently converged to a point where they become synergetic. Renewable infrastructure has reached sufficient maturity to constitute a sound investment proposition and the best chance to reverse global warming. This handbook provides investors with an entry door into the technology gains, cost reductions, market performance, and risk considerations that have made wind and solar infrastructure investments not only feasible, but compelling from a purely economic point of view.