Bill Nye, "The Science Guy," posed a dire question for those still huddled around a space heater.
What if the arctic blast of frigid air sweeping through the country Tuesday—closing airports and causing frostbite warnings—becomes a regular occurrence?
"What if this is the future?" Nye said Tuesday on "Squawk on the Street." "What if this polar vortex is the way it's going to be often over the coming decades. We're not really set up for it. And we're in the developed world. We are in a place where we have all this infrastructure and a means for most people to keep warm."
(Read more: Arctic travel conditions tie up US planes, trains)