Some scientists believe that natural nighttime darkness may already be extinct in much of the eastern U.S. We are witnessing this as America’s population continues to soar to unprecedented levels, with no end in sight.  The Census Bureau predicts that America’s population will grow by another 70 million in the next 35 years, with roughly 90% caused by immigration.  It’s significant that this projection was made before the recent and disturbing immigration surge at the southern border, which has brought illegal immigration to rates surpassing those of legal immigration.

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Back in 1972, the rate of legal immigration into the U.S. was around 400,000, as was illegal immigration.  Legal immigration now amounts to 1.2 million, which pales next to the rate of illegal immigration at 2.5 – 3.0 million per year. 

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Despite the Clean Water Act, many of America’s rivers are suffering, with no relief in sight, as our population continues to soar to unprecedented levels.  The Census Bureau projects America’s population will grow by another 75 million in the next 40 years, with roughly 90% of that caused by immigration.  It’s significant that this projection was made before the immigration surge at the southern border, where illegal immigration has become more than twice as high as legal.

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Bartlett points out that immigration, both legal and illegal, is the largest component of population growth in the U.S., and that continued immigration is the largest threat to sustainability of the United States. “Indeed, members of the two political parties vie with each other to see which party can produce legislation that will let in the largest annual flow of legal immigrants,” he writes.

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Our North Carolina report continues the secondary-migration theme of our Idaho study. Americans are leaving states with high immigration-driven population growth.

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Imagine a policy proposal to add another state’s worth of people every three years without adding any additional resources to provide for all of the necessities of American life

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In a state where 95% of the land is privately owned, the trade-off between unchecked population growth and open space preservation in Texas is clear.

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Americans have grown increasingly efficient with our use of resources (i.e., our per capita ecological footprint). But we haven’t grown more sustainable  -- that is, the U.S. ecological deficit (gap between footprint and biocapacity) has increased -- because the amount of natural resources (i.e., our biocapacity) per person has also declined. Why? In part because we have converted them into urbanized areas to accommodate immigration-driven population growth.

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Candidates who emphasize habitat and wildlife conservation have an edge in these Western states. But to fulfill campaign promises, conservation candidates will have to address immigration policy.

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