i am pleased to have naomi klein back at this table. welcome. >> thank you. >> rose: good to see you. this is the hardest book you have ever had to write? >> it was. anybody who really delves deep epiinto the climate science and just the state of this threat, it is easy to get overwhelmed by the scale of it and because the book is not just looking at climate science but looking at this tension between our economic model which is built to pursue short-term growth. >> rose: right. >> and our planetary system which needs us to contract our use of finite resources, particularly fossil fuels, it was -- you know, it was overwhelming and it became easier to write as there started to be more of a grass roots response, more of a climate movement that emerged, the book came out the same week the huge protests in new york happened during the u.n. climate summit so that made it easier to write when i started to see a response. for a few years it took five years to write the first couple of years, i certainly struggled with just the sense of hopeles