Author Archives: energyskeptic

41 Reasons why wind power can not replace fossil fuels

Preface. Electricity simply doesn’t substitute for all the uses of fossil fuels, so windmills will never be able to reproduce themselves from the energy they generate — they are simply not sustainable.  Consider the life cycle of a wind turbine … Continue reading

Posted in Alternative Energy, Energy, Wind | Tagged , , , , , , , , | 1 Comment

What on earth is exergy?

Preface. This is one of the best explanations of exergy I’ve been able to find.  This paper makes the case that exergy ought to be considered by just about every industry and government to achieve greater energy efficiency, and makes … Continue reading

Posted in Exergy | 3 Comments

Why Concentrated Solar Power is not a good choice for a 100% Renewable Energy System

Preface.  The authors conclude that: In light of the obtained results — a low capacity factor and Energy Returned on Invested, an intensive use of materials—some scarce, and the significant seasonal intermittence) — the potential contribution of current CSP technologies … Continue reading

Posted in Concentrated Solar Power | Tagged , , , | 5 Comments

Solar PV requires too much land to replace fossils

Preface. This is a brief summary of the Capellan-Perez paper that calculates the land needed to use solar to replace electricity as well as the land needed if solar were to replace all of societies use of energy (i.e. transportation, … Continue reading

Posted in Solar | Tagged , , , , , | 9 Comments

75% of Earth’s Land Areas Are Degraded. Environmental damage threatens 3.2 billion people.

  Preface. Yikes, by 2050 95% of Earth’s land could be degraded and reduce or even end food production, forcing hundreds of millions to migrate. Whatever you’ve read in the past about the State of the World, it’s gotten even … Continue reading

Posted in Agriculture, Biodiversity Loss, Limits To Growth, Peak Food | Tagged , , , | Leave a comment

One less worry: the magnetic field flipping between north and south poles is not the end of the world

Preface.  The geomagnetic field reversal of polarity has occurred thousands of times in the geological past. We are overdue for another. Indeed, Earth’s dipole has decreased in strength by nearly 10% since it was first measured in 1840. It could … Continue reading

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Crash alert: China’s resource crisis could be the trigger

Preface.  Way to go Nafeez Ahmed, your second home run of reality based reporting on the energy crisis this week.  There are countless economists within the mainstream media predicting an economic crisis worse than in 2008, but they totally ignore … Continue reading

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The coming crash in 2020 from high diesel prices for cleaner emission of oceangoing ships

Preface.  Ships made globalization possible, and play an essential role in our high standard of living, carrying 90% of global goods traded. But the need for a new, cleaner fuel may cause the next economic crisis.  What follows are excerpts … Continue reading

Posted in By People, Crash Coming Soon, Peak Oil, Ships and Barges | Tagged , , , | 3 Comments

India wants to build dangerous fast breeder reactors

Preface. India was planning to build six fast breeder reactors in 2016, but now in 2018, they’ve reduced the number to 2.  This is despite the high cost, instability, danger, and accidents of the 16 previous world-wide attempts that have … Continue reading

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Germany’s wind energy mess: As subsidies expire, thousands Of turbines to close

Preface. This means that the talk about renewables being so much cheaper than anything else isn’t necessarily true.  If wind were profitable, more turbines would be built to replace the old ones  without subsidies needed. Unless they can be dumped … Continue reading

Posted in Electric Grid, Energy, Wind | Tagged , , , , | 9 Comments