There is an uncertainty in cloud cover and things like that. But if we went on as we are now, then arise by five degrees by the end of a century is within the range of possibilities. That would be a really serious change in global weather patterns. It's not going to kill us all. If it makes life miserable for billions of people, that's pretty bad.
Shermer and Rees discuss: existential threats • overpopulation • biodiversity loss • climate change • AI and self-driving cars, robots, and unemployment • his bet with Steven Pinker • his disagreement with Richard Dawkins • how science works as a communal activity • scientific creativity • science communication • science education • why there aren’t more women and people of color in STEM fields • verification vs. falsification • Bayesian reasoning and scientific progress • Model Dependent Realism and the nature of reality Fermi’s Paradox • why he’s an atheist but wants to be buried in the Presbyterian church in which he was raised • mysterian mysteries.
Martin Rees is Astronomer Royal, former President of the Royal Society, Fellow (and former Master) of Trinity College, Cambridge, and Emeritus Professor of Cosmology and Astrophysics at the University of Cambridge. He sits as a member of the UK House of Lords. He is the author of many bestselling popular science books, including: On the Future; Just Six Numbers; Before the Beginning; and Our Final Hour. His newest book is If Science is to Save Us.