Getting people to realize that climate shifts killed off around half of the global population, and probably far more than half in the United States, could lead to people just not wanting to go through that kind of trouble at all.
I really like camping, hiking, and occasionally taking an e-bike out for a nice ride in the mountains. It would take a truly dull mind to not start wondering, even a little, what caused the terrain to form like it did. Since college, I’ve known just enough about geology to reach what people call the “Peak of Mount Stupid” on the Dunning-Kruger chart.
But, this changed pretty quickly one day between 750,000 and 900,000 years ago, when this giant lake found a weak spot in the mountains that served as the side of the bowl it sat in. First, it trickled out. Then, it managed to cut the side of that weak spot down until the whole lake came gushing out, rapidly cutting a deep canyon and sending all that water into the Gulf of Mexico.
While there’s debate on the causes, one theory is that the whole episode was caused by a comet, which broke up before slamming into the Earth in a number of different places. Whatever the cause, this all happened long before any known writing systems, so we can only know about it from geological records and human artifacts .
You’d think that maybe moving up into the mountains, where I took the picture from, would be a good refuge, but the comet fragments and then rapid climactic shifts set the forests on fire. This, as we know, makes the forests not very hospitable to life. What about between the forest and desert, like the mountain shelves or the Otero Mesa? Yeah, those were full of thick grass, which also would burn if it wasn’t flooding from unusual rain and burn scars.
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