EPISODE 1832: In this KEEN ON show, Andrew talks to Antonello Provenzale, author of HISTORY OF CLIMATE CHANGE, about whether today's climate change crisis represent an existential threat to humanityAntonello Provenzale is Director of the Institute of Geosciences and Earth Resources at the National Research Council of Italy. His latest book is History of Climate Change: From the Earth's Origins to the AnthropoceneNamed as one of the "100 most connected men" by GQ magazine, Andrew Keen is amongst the world's best known broadcasters and commentators. In addition to presenting KEEN ON, he is the host of the long-running How To Fix Democracy show. He is also the author of four prescient books about digital technology: CULT OF THE AMATEUR, DIGITAL VERTIGO, THE INTERNET IS NOT THE ANSWER and HOW TO FIX THE FUTURE. Andrew lives in San Francisco, is married to Cassandra Knight, Google's VP of Litigation & Discovery, and has two grown children.