Tag Archives: depletion

Minerals & Energy from Ugo Bardi’s “Extraction”

Bardi, Ugo. 2014. Extracted: How the Quest for Mineral Wealth Is Plundering the Planet. Chelsea Green Publishing. The limits to mineral extraction are not limits of quantity; they are limits of energy. Extracting minerals takes energy, and the more dispersed … Continue reading

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Mineral: Soil from Ugo Bardi’s “Extracted”

[ Ugo Bardi’s book on minerals covers a wide-ranging territory, including soil, which is a mineral.  In this section of the book he shows how humans have damaged the soil so much we have greatly overshot carrying capacity by lowering … Continue reading

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USGS Groundwater Depletion study of Aquifer decline in the United States

[ The Ogallala and many other aquifers are depleting rapidly and growing more toxic from pesticides, feedlot waste, intruding salts, and other pollution.  Most won’t be recharged until after the next ice age.   The Ogallala is one of Earth’s largest … Continue reading

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Giant oil field decline rates and their influence on world oil production

Excerpts from: Hook, M., Hirsch, R., Aleklett, K. June 2009. Giant oil field decline rates and their influence on world oil production. Energy Policy 37(6): 2262-2272 Future trends in giant oil field decline rates             … Continue reading

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Laughing Gas — nitrous oxide — could deplete ozone and cook the planet

2 Sep 2009. Laughing gas set to deplete the ozone layer. NewScientist. 28 August 2009. Lisa Grossman. Laughing gas is biggest threat to ozone layer. NewScientist. 21 July 2012. Michael Marshall.  Laughing gas may cook the planet. NewScientist. The ozone … Continue reading

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Aquifer decline in California

[ On top of aquifer depletion, water shortages are also expected in the future as rainfall and snowfall decline and snow melts earlier. Meanwhile, farmers plant thirsty crops, further draining declining water supplies: 2016-9-27 California’s almond boom has ramped up … Continue reading

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Water depletion and pollution

Water Depletion Michael Specter. October 23, 2006. The Last Drop. Confronting the possibility of global catastrophe. The New Yorker. Cyanobacteria Brookes, J., et al.  7 Oct 2011. Resilience to Blooms. Science. Explosive cyanobacterial blooms cause disease in humans and livestock, … Continue reading

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