…we were becoming very delusional about the set of predicaments that we’re facing. I’m a little shocked at the quality and character of the delusiona… - James Howard Kunstler

Even if we can’t get all the tools and the products we currently enjoy, we will retain a lot of basic knowledge that the people of Jefferson’s day just didn’t have. For instance, we will still understand that infections and many diseases are caused by microorganisms, not bad air, phases of the moon, or evil spells, and that knowledge alone confers powerful advantages in daily living.

By the mid-1920s, the great wave of immigration suddenly ended. The National Origins Act of 1924 and other measures set new highly restrictive immigration quotas that cut new admissions to 2 percent of each nationality from the 1890 census. This choked off what had been a constant half-century-long demographic subsidy of ever more customers for U.S. manufacturers.

According to the , sea levels rose by ten to twenty centimeters during the twentieth century and are currently rising by about two millimeters a year, which is at the upper range of the rate of rise for the last century. With global warming accelerating, this is apt to increase. The accepted prediction is that sea levels will rise during the twenty-first century by about fifty centimeters, or a little under two feet, though some scientists predict a full meter. […] One-sixth of the people in the world live[s] in coastal zones within one meter of sea level. This is the… outside context problem so alien to contemporary experience that the public and its leaders can really find no way to process the information and figure out what to do about it—and for the excellent reason that it is not a problem with a direct solution. It is more [of] a condition without a remedy. If the major shipping ports… end up being submerged, humankind will just have to work around it. The disruptions to world trade might be epochal, gigantic, […] [and] tragic. It seems obvious that the human race will simply have to adjust, even if that means adjusting to a new reality of severely lower expectations in living standards, comfort, and amenities. […] When the time comes, …[we] will just have to move to higher ground.