What is the relationship between the concentration of CO2 in the atmosphere and temperature change on a geologic time scale, the last several thousand years, the last several hundred years, and recently, when humanity started burning fossil fuels?

The first thing to note about the temperature of the Earth’s surface is that it has been variable ever since there was an atmosphere, and these variations have had no significant relationship to  the concentration of CO2 in the atmosphere.  Historic data show CO2...

Is global cooling in our future?

If you really want to annoy a climate alarmist cultist, you can assert that global cooling is what we should expect. Nobody knows what triggers little ice ages (LIAs), but some experts expect that a LIA may be coming our way. Why? They cite a strong correlation with a...