Tag Archives: water

Collapse of Mayan civilization from water shortages

Aigner, F. August 30, 2016. The demise of the Maya civilization: water shortage can destroy cultures. American Geophysical Union blogosphere. Something really drastic must have happened to the ancient Maya at the end of the Classic Period in the 9th … Continue reading

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U.S. GAO on mutually dependent water and energy

[ This post contains excerpts from a Government Accountability Office on the interdependency of water and energy.  Mutual dependencies make the essential systems that keep us alive more fragile, since disruption in one can cause shortages or failures in related … Continue reading

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Drinking water and sewage treatment use a lot of energy

[ Water treatment (drinking and sewage) use tremendous amounts of energy. Some of the statistics from this document “Water & Wastewater Utility energy research roadmap” below are: In 2008 municipal wastewater treatment systems (WWTP) in the United States used approximately … Continue reading

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Why human waste should be used for fertilizer

[ At John Jeavons Biointensive workshop back in 2003, I learned that phosphorous is limited and mostly being lost to oceans and other waterways after exiting sewage treatment plants.  He said that it’s dangerous if done incorrectly and wasn’t going … Continue reading

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Plants are sucking streams dry thanks to more CO2

Slezak, M. October 24, 2015. Carbon emissions make Earth greener but are also drying it out. NewScientist. Source: Ukkola, A. M., et al. October 19, 2015 Reduced streamflow in water-stressed climates consistent with CO2 effects on vegetation. Nature Climate Change 6, … Continue reading

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U.S. Senate hearing on our aging water infrastructure

[ Even though conventional oil production has been on a plateau since 2005, there is no sense of alarm or urgency to try to fix infrastructure before oil is rationed and not enough exists to replace or repair it. Some … Continue reading

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Coal plants are causing water shortages in China

Wong, E. March 22, 2016. Report Ties Coal Plants to Water Shortage in Northern China. New York Times. China’s consumption of coal, a major contributor to climate change and the country’s horrific air pollution, is worsening a severe water shortage … Continue reading

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We’ll all be Flint Michigan someday: U.S. water infrastructure is falling apart

NRC. 2006. Drinking Water Distribution Systems: Assessing and Reducing Risks Committee on Public Water Supply Distribution Systems: Assessing and Reducing Risks.  National Research Council, National Academies Press. [ According to this Free National Research Council report, most water systems and … Continue reading

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Peak Aquifers: Very little Ground water is renewable, perhaps only 1.5%

Gleeson, Tom, et al. November 2015. The global volume and distribution of modern groundwater. Nature Geoscience. The water in aquifers and wells billions of people depend upon is mostly a non-renewable resource that could run out. Underground water is renewed … Continue reading

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Energy generation water consumption

[ Notice how much water biofuels use, especially soybeans for biodiesel Alice Friedemann   www.energyskeptic.com  author of “When Trucks Stop Running: Energy and the Future of Transportation”, 2015, Springer] Notes from “Working Document of the NPC Future Transportation Fuels Study. Topic … Continue reading

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