after the holiday weekend. and they have perhaps new information on that, but people are waiting to see when they can come back. in is not going to happen tomorrow though, because we still see the fires in the region and smoke in the air, and they want everybody to be safe. they say there are no injury or fatalities and all of the structures are in tact, and they want to leave it that way. my next guest christian perenti believes there is a fast approaching economic and environmental disaster to produce chaos and catastrophe around the world. though it sounds like a scene from "armageddon" as imagined by a filmmaker, he says that his findings are in fact based on fact. his latest book "tropic of chaos, climate change in the new geography of violence" has just been published and i'm delighted to say he joins us now.