We introduce Version 2 of our widely used 1-km Köppen-Geiger climate classification maps for historical and future climate conditions. The historical maps (encompassing 1901–1930, 1931–1960, 1961–1990 ...

You probably saw a multi-colored climate map at least once in school. You might have pored over it, fascinated. Was Antarctica really a cold desert? And why was so much of Russia listed as tundra?

A multinational study seen in Scientific Data and led by KAUST reports that the global climate has experienced notable changes in climate classification over the past century, and these shifts are ...

The Koppen classification system suggests that Chicago shares climatic similarities with New England, the central Great Plains, Bulgaria and portions of South and North Korea and northern China. The ...