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…

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…

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…