October 16, 2002: Climate Change - Dr. Paul Mayewski

Art Bell speaks with Dr. Paul Mayewski, a world leader in ice core collection and analysis who has led more than 50 Antarctic and high mountain expeditions. Dr. Mayewski explains how ice cores function as a year-by-year record of Earth's climate history, capturing gas content, dissolved chemistry, dust particles, and volcanic signatures spanning tens of thousands of years. He describes the dramatic 100,000-year glacial cycles driven by Earth's orbital position relative to the sun and the… Full show notes & guests: https://artbellarchive.org/episode/october-16-2002-climate-change-dr-paul-mayewski