Columbia researchers provide new evidence on the reliability of climate modeling

Observational data of equatorial circulation pattern confirms that the pattern is weakening, a development with important consequences for future rainfall in the subtropics Columbia University School of Engineering and Applied Science News Release 24-Jun-2019 New York, NY–June 24, 2019–For decades, scientists studying a key climate phenomenon have been grappling with contradictory data that have threated…

The Oceanic Central Heating Effect

Guest essay by Philip Mulholland In my previous essay We Must Get Rid of the Carboniferous Warm Period I discussed the role of the polar seas around Antarctica in generating the cold dense oxygenated marine water that dominates the abyssal ocean depths of our modern world. I now want to discuss the role of shallow…

Heat Waves Validate the Skeptics

Essay by Jim Steele, Director emeritus, Sierra Nevada Field Campus, San Francisco State University The heat wave and near record-breaking temperatures in Death Valley provides a superb teaching moment to show why CO2 has nothing to do with heat waves whether the record is ever broken or not. Most heat waves are associated with dry…