Climate tipping points are much more fantasy than science  Austrian AUF 1 has posted posted a video interview with prominent German geologist and Sahara expert Dr. Stefan Kröpelin, Sahara has been shrinking over the past decades. Image: NASA Dr. Kröpelin is an award-wining geologist and climate researcher at the University of Cologne and specializes in studying … Continue reading Sahara Expert Says Desert Shrinking, Calls Alarmist Tipping Points “Complete Nonsense”