Category Archives: Energy

the posts in this category used to be in “Energy in A Nutshell” at my former web site.

The orbiting solar power fantasy

Preface. This 2020 article “Solar Power Beamed Down To Earth From Space Moves Forward” will leave you all warm, fuzzy, and unworried about the future. The Scientists Will Come Up With Something.  But that’s because you know little to nothing … Continue reading

Posted in Alternative Energy, Critical Thinking, Far Out, Orbiting Solar | Tagged , , | 2 Comments

Negative energy return of solar PV in Northern Europe

Preface.  I once yanked this paper after huge blow back, almost as bad as nuclear proponents, but in the past few years, I have no reason to doubt Ferroni and Hopkirks methods, boundaries, or conclusions, so I’m putting this post … Continue reading

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Why we aren’t mining methane hydrates now — or perhaps ever

Preface. Methane hydrates are far from being commercial, and probably always will be. Scientists and companies have been trying to exploit them since the first energy crisis in 1973 to no avail. Nor are they likely to trigger a runaway … Continue reading

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Pentagon report: collapse within 20 years from climate change

Preface. The report that the article by Ahmed below is based on is: Brosig, M., et al. 2019. Implications of climate change for the U.S. Army. United States Army War College. It was written in 2019, before covid-19 and so … Continue reading

Posted in Arctic, Blackouts, Climate Change, Infrastructure & Fast Crash, Military, Over Oil | Tagged , , | 2 Comments

Updates to Life After Fossil Fuels: A Reality Check on Alternative Energy

Updates to “Life After Fossil Fuels” Last updated 28 April 2024. Other posts related to this book here. My book is about our many dependencies on fossil fuels, quickly depicted in these very short videos:  Life without Petroleum  A Day … Continue reading

Posted in Biofuels, Fusion, Groundwater, How Much Left, Hydrogen, Life After Fossil Fuels, Peak Water | Tagged , , , , , , , , , | 3 Comments

Compressed air energy storage (CAES)

Preface. Besides pumped hydro storage (PHS), which provides 99% of energy storage today, CAES is the only other commercially proven energy storage technology that can provide large-scale (over 100 MW) energy storage. But there are just two CAES plants in … Continue reading

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Book Review: The Age of Wood: Our Most Useful Material & the Construction of Civilization

Preface. This is a book review, mainly with excerpts, of Ennos’s book “The Age of Wood. Our Most Useful Material and the Construction of Civilization”. If you know anything about woodworking, you will enjoy the detailed descriptions of how and … Continue reading

Posted in Energy Books, Jobs and Skills, Life After Fossil Fuels, Wood | Tagged , , , , , | 1 Comment

Tree planting is not a simple solution but sure beats Carbon Capture!

Preface.  The article from Science below lists both negative and positive outcomes depending on where trees are planted. The unintended negative effects could be a reduced water supply, the destruction of native grasslands and spread of invasive tree species, or … Continue reading

Posted in Carbon Capture & Storage (CCS), Plant Trees | Tagged , , | 4 Comments

How safe and cheap are Gen IV Advanced Nuclear Reactors?

Preface. Peak conventional oil, which supplies over 95% of our oil, may have peaked in 2008 (IEA 2018) or 2018 (EIA 2020). We are running out of time. And is it really worth building these small modular reactors (SMR) given … Continue reading

Posted in Gen IV SMR reactors | Tagged , , , | 4 Comments

Walter Youngquist: Geodestinies dams and hydropower

Preface. I was fortunate enough to know Walter for 15 years. He became a friend and mentor, helping me learn to become a better science writer, and sending me material I might be interested in, and delightful pictures of him … Continue reading

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