Category Archives: Carrying Capacity

Without fossil fuels, carrying capacity of the planet is about 1.5 billion people, the USA about 100-150 million

How the Catholic Church and politics helped cause overpopulation and overshoot

[ All of what follows is from the article below.  Mumford makes the case that: “Had the recommendations of NSSM 200 been implemented in 1975, the world would be very different today. The prospects would have improved for every nation … Continue reading

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Why did the environmental movement drop the issue of overpopulation?

Roy Beck & Leon Kolankiewicz. The Environmental Movement’s Retreat from Advocating U. S. Population Stabilization (1970-1998): A First Draft of History [This is most of the 27 page report. Beck and Kolankiewicz have written this excellent paper explaining why the … Continue reading

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Nature: All women in the world should have the right to birth control

[ Nature and Science are the top two science journals in the world, so it is a big deal that Nature finally acknowledged a growing population will wreak enormous havoc on the world, and that the best way to slow … Continue reading

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Why did everyone stop talking about Population & Immigration?

[ I’ve summarized the 20 top reasons why population growth was abandoned by environmental groups and received little coverage in the news media the past 40 years.  I highly recommend reading Beck and Kolankiewicz (2000) “The Environmental Movement’s Retreat from … Continue reading

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Earth has lost a third of arable land in past 40 years

Milman, O. December 2, 2015. Earth has lost a third of arable land in past 40 years, scientists say. The Guardian. The world has lost a third of its arable land due to erosion or pollution in the past 40 … Continue reading

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Climate change impacts on agriculture in the U.S.

[ I’ve added a senate hearing from 2013 on drought, fire, and freeze effects on agriculture below. Alice Friedemann   www.energyskeptic.com  author of “When Trucks Stop Running: Energy and the Future of Transportation, 2015, Springer] Notes from 25 page: Hatfield, J., … Continue reading

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Peak soil, Peak Phosphate, Peak Fertilizer means Peak Food

Amundson, R., et al. May 7, 2015. Soil and human security in the 21st century. Science 348. A group of leading soil scientists has summarized the precarious state of the world’s soil resources and the possible ramifications for human security … Continue reading

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Richard Heinberg Only less (population) will Do

Only Less Will Do by Richard Heinberg,  Post Carbon Institute    Mar 16, 2015 [portions of this article were cut and rearranged] Almost nobody likes to hear about the role of scale in our global environmental crisis. That’s because if … Continue reading

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The Nitrogen Bomb – fossil-fueled fertilizers keep 5.5 billion people alive

Fisher, D. 4 April 2001. Discover magazine Vol. 22 No. 4  The Nitrogen Bomb. By learning to draw fertilizer from a clear blue sky, chemists have fed the multitudes. They’ve also unleashed a fury as threatening as atomic energy. In … Continue reading

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Irrigation uses a lot of electricity, requires expensive grid in remote areas

“Irrigation load from farm irrigation systems can be costly to serve, because of the high cost of connecting these dispersed systems to the electric grid and the high cost of having enough capacity available to meet seasonal irrigation load.” Alice … Continue reading

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