Climate models are complicated things. They must consider a staggering number of mathematical and physical variables to predict, for instance, how emitting a given amount of carbon dioxide will change ...

The earliest climate models made specific forecasts about global warming decades before those forecasts could be proved or disproved. And when the observations came in, the models were right. The ...

Roy Spencer was a Visiting Fellow in The Heritage Foundation’s Center for Energy, Climate, and Environment. The observed rate of global warming over the past 50 years has been weaker than that ...