RedOrbit: From the Medieval Climate Anomaly to the Little Ice Age, average temperatures on Earth have varied significantly over the past thousand years. And according to a new study in Nature Geoscience that variation has little to do the amount of activity from the Sun.
The Medieval Climate Anomaly, which lasted from approximately 950 to 1250, was a warming period in certain regions. The Little Ice Age, which lasted from about 1450 to 1850, is the term used to describe a period of widespread regional cooling....