The climate could change radically, and fast. That would be the mother of all national security issues.Calpundit thread discussing it here
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history shows that whenever humans have faced a choice between starving or raiding, they raid.
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As the planet's carrying capacity shrinks, an ancient pattern reemerges: the eruption of desperate, all-out wars over food, water, and energy supplies. As Harvard archeologist Steven LeBlanc has noted, wars over resources were the norm until about three centuries ago. When such conflicts broke out, 25% of a population's adult males usually died.
Dan, in Calpundit comments:
I am a geologist with significant experience in climate change.
Let's put it this way, if things happen as fast this time around as they seem to have happened in previous cycles, then a LOT of people are going to be saying
"WHY DIDN'T YOU TELL US THIS WAS GOING TO HAPPEN???"
Problem is, we did.
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