By Robert A. Vella. It may seem paradoxical to laypeople that we would have severe cold weather spells in wintertime given that the world is rapidly warming up due to manmade climate change; and, climate change deniers are quick to exploit this paradox for political reasons. But, it is true. Global warming is increasing the incidence of extreme weather events of every kind from prolonged droughts and powerful storms to deadly heat waves and brutal cold snaps. The following details the basic science behind the phenomenon popularly, though inaccurately, known as the “polar vortex.” The real polar vortex is something else altogether…
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