||| FROM CHRIS HAYES for MSNBC |||


One of the most interesting questions, perhaps the most interesting question, about where America will be in 25 years is where Americans, literally, will live. And that’s inextricably linked to the most pressing unknown we collectively face, which is: Just how hot will our planet get?

The last decades in the U.S. have seen a steady internal migration, driven less by persecution or deprivation and more by weather.

One way to tell the story of this country is as a series of migrations. The first, of course, was the arrival on the continent of Europeans, who promptly forced a second mass migration and ethnic cleansing of the Indigenous people who had lived here for millennia. Soon thereafter, masses of slaves were imported to the American South as white Americans kept pushing the frontier west, forcing more and more Native people off their land until there was nowhere left for them to go.

In 1890, the U.S. Census director famously declared that the frontier was closed — but that didn’t stop people from moving. Millions of European immigrants arrived at our shores fleeing starvation and persecution, millions of Black Southerners fled north desperately hoping to escape the tyranny of authoritarian apartheid post-Reconstruction, and Dust Bowl refugees fled west to the alleged land of bread and honey in California.

We don’t think of our current age in the same terms, but the last decades in the U.S. have seen a steady internal migration, driven less by persecution or deprivation and more by weather. The states of the South, the Sun Belt and the Pacific Northwest have been gaining in population, while on the whole, the industrial Midwest and the Northeast have been losing population.

This unmistakable and consistent movement from places with freezing winters toward places with scorching summers is due to one of the single most important inventions in human history: the air conditioner.

AC has allowed Americans to move en masse to regions that previously would have been considered unpleasant or even uninhabitable. But as the effects of climate change send temperatures soaring, this shift is getting more complicated. This summer has already had multiple deadly heat waves, with more sure to come.

All of which brings us to the question about demographic geography for the next part of this century: How hot will it get in the hot parts of the country, and what will it mean for where people live?

Air conditioning, while basically a civilizational miracle, is also in a category of its own when it comes to electricity consumption.

Air conditioning, while basically a civilizational miracle, is also in a category of its own when it comes to electricity consumption.

Will people still be moving to Maricopa County, Arizona, if summer heat waves bring routine spikes to 120 degrees? Can Texas sustain its population growth if its temperatures routinely push its state-only electricity grid past the breaking point?

Keep in mind that air conditioning, while basically a civilizational miracle, is also in a category of its own when it comes to electricity consumption. There’s a reason blackouts happen during the summer, and hotter temperatures will only cause more grid stress, which is likely to lead to more frequent outages.

READ FULL ARTICLE: www.msnbc.com/msnbc/heat-about-restructure-american-life-ways-we-can-only-begin-n1274567


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