Scientists are both astounded and alarmed. 2023 was the warmest year ever recorded, and it’s not even close. Human-spawned greenhouse gas emissions coupled with a strong El Nino spiked global temperatures. What are the implications and repercussions? And what will 2024 bring? WEMU's David Fair talked it over with the dean of the School for Environment and Sustainability at the University of Michigan, Dr. Jonathan Overpeck.