Monthly Archives: January 2015

Over 21 essential resources have peaked including fish, milk, eggs, wheat, corn, rice, soy

Nature summary of this article: “The rates at which humans consume multiple resources such as food and wood peaked at roughly the same time, around 2006. This means that resources could be simultaneously depleted, so achieving sustainability might be more … Continue reading

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Extreme Events. CEC 2011. Variable distributed generation from solar and wind increase the chance of large blackouts

Morgan, M., et al.   (Pacific Northwest National Laboratory, University of Wisconsin-Madison, Electric Power Research Institute, BACV Solutions, Southern Company, CIEE, University of Alaska – Fairbanks, and KEMA). 2011. Extreme Events. California Energy Commission. Publication number: CEC-500- 2013-031. Figure 18: BLACKOUT … Continue reading

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Electricity, fuel, and other interdependencies

Freight trucks, trains, ships, airplanes all stop when the electricity is out because the pumps depend on it.  Related: Why you should love trucks and When Trucks Stop CR. September 4 & 23, 2003. Implications of power blackouts for the … Continue reading

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Solar Photovoltaics (PV) limited by raw materials

This paper (excerpts below) shows that there are limits to growth — there simply aren’t enough minerals in the world that can be produced physically and/or at a reasonable cost for the many of the most common kinds of PV … Continue reading

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Limits to Growth

Below are links or excerpts of articles about limits to growth James Howard Kunstler. June 1, 2015. Twenty-Three Geniuses. Scientists vindicate ‘Limits to Growth’ – urge investment in ‘circular economy’ Early warning of civilizational collapse by early to mid 21st … Continue reading

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Arthur Berman: The Real Cause Of Low Oil Prices

There are two articles below   The Oil Price Collapse Is Because of Expensive Tight Oil Posted in The Petroleum Truth Report on April 3, 2015The present oil price collapse is because of over-production of expensive tight oil. The collapse occurred because of … Continue reading

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Distributed Generation is destabilizing the Electric Grid

Electricity distribution is designed to flow one way from a centralized system to customers. But Distributed Generation (DG) from solar  PV and wind violates this. Impacts caused by high penetration levels of intermittent renewable DG can be complex and severe … Continue reading

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Inage: calculate storage for short-term wind variation

Inage, S. 2009. Prospects for Large-Scale Energy Storage in Decarbonized Power Grid. International Energy Agency. This paper limits itself to the issue of frequency stability in systems with increasing shares of variable renewable generation assets (wind power in Western Europe … Continue reading

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Compressed air energy storage (CAES)

Besides pumped hydro, CAES is the only other commercially proven energy storage technology that can provide large-scale (over 100 MW) energy storage. How it works: Using off-peak electricity, compressed air is pumped into very large underground cavities at a depth … Continue reading

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Robert Wilson: Can You Make a Wind Turbine Without Fossil Fuels?

Can You Make a Wind Turbine Without Fossil Fuels? February 25, 2014 by Robert Wilson @ theenergycollective.com Reworded Excerpts: The current feasibility of 100% renewable energy is easily tested by asking a simple question. Can you build a wind turbine … Continue reading

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