 You write here that the question of how close West Antarctica is to collapse is one of the most urgent and consequential of our time. To be honest, I'm not sure it's one that people are really talking about. What would such a collapse do to the rest of the world? Well, you know, one of the reasons, so I wrote a whole chapter about Antarctica in my book and, you know, people say, why would you write about the coldest place in the world in a book about heat? And one of the reasons was,