Or as Schelling put it, imagine if you were a rich -- as you will be -- a rich Chinese, a rich Bolivian, a rich Congolese, in 2100, thinking back on 2005, and saying, "How odd that they cared so much about helping me a little bit through climate change, and cared so fairly little about helping my grandfather and my great grandfather, whom they could have helped so much more, and who needed the help so much more?"