Once upon a time, studying and keeping track of the world of climate governance was relatively simple. By attending the UN climate change negotiations or reading Earth Negotiations Bulletin1 and the NGO newsletter ECO you could essentially keep up to date with what was going on. If you take the view that international institutions continue to be the primary and most important site of climate governance, your task continues to be a relatively straightforward one, even if the range of issues on the negotiating table has grown more complex. If, however, you adopt a broader view of climate governance-one that takes a broader and more open view about how and where it happens and who is engaged in it-as we have done in this book, your task is altogether more complex. In this final chapter we summarize some of the key cross-cutting themes that have emerged throughout the book, what they imply for governing climate change, and how we can make sense of them.