I recently came across a YouTube video that both showed that there’s a severely unpopulated patch of land in the United States that runs from Canada to Mexico, and why this happened. In this article, I want to share some of the findings from the video and explain what they can teach us about the future of climate change’s effects on human populations.There’s one thing he didn’t get into, and that’s the history before the United States.
Getting back to the video, US history really affects the population growth of the continent. Around 80% of the US population lives in the east because that’s where the growth began and exploded from. People spread from the east coast and into the center of the country of time, and that’s a trend that didn’t really get disrupted until transportation technology and infrastructure like railroads improved.
But, this doesn’t explain the years since 1900. There was still plenty of opportunity for massive growth, but the problem was just how arid the lands were. The whole areas lies in a rain shadow from the Rocky Mountains, leaving it less suited to agriculture other than ranching, which doesn’t draw in big populations the way farming does.
Arid areas are less pleasant for not only human populations, but for agriculture. If you like new food over used food and/or bugs, you won’t be happy as areas without moisture spread and get worse. Intense droughts have shown widespread negative consequences, including threatened drinking water supplies as broader swaths of the US dry up. This could make people move away or for population to grow more in places not affected by this as much.
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