EcoWatch: Dear Descendants, The first thing to say is, sorry. We were the last generation to know the world before full-on climate change made it a treacherous place. That we didnt get sooner to work slowing it down is our great shame, and you live with the unavoidable consequences. That said, I hope that we made at least some difference. There were many milestones in the fightRio, Kyoto, the debacle at Copenhagen. By the time the great Paris climate conference of 2015 rolled around, many of us were inclined...