Category Archives: Renewables

Non-fossil energy contraptions

Why Nuclear Power can’t replace fossil fuels

Preface. Economic reasons are the main hurdle to new nuclear plants now, with capital costs so high it’s almost impossible to get a loan, especially when natural gas is so much cheaper and less risky. But there are other reasons … Continue reading

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Why fusion power is Forever Away

Preface. When my husband Jeffery Kahn was a science writer at Lawrence Berkeley National Laboratory, astrophysicists told him fusion was 30 years away and always would be. ITER was supposed to be ready in 2016, but the completion date for … Continue reading

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Environmental effects of nuclear winter

Preface.  This post is a summary of what I thought interesting and important from this 2025 National Academy of Sciences report “Potential environmental effects of nuclear war.” Unlike other nuclear winter papers reviewed in energyskeptic, the National Academy does not … Continue reading

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Natural Gas & Coal essential for energy storage

Preface.  The U.S. Department of energy has stated a renewable grid is not possible without long-duration energy storage (Colthorpe 2022). Another report  explains why around-the-clock renewables and decarbonization will not be possible without it (McKinsey 2022).  This post explains why … Continue reading

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Why carbon capture contraptions are absurd

Preface.  At the first USA peak oil conference in Denver (ASPO 2005), many of the attendees speculated renewable energy would be the last chance for Wall Street to make money from government subsidies and “dumb money” investors before limits to … Continue reading

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Summary of Greenpeace “Nuclear Reactor Hazards”

Source: Nuclear power is dirty, dangerous and expensive. Say no to new nukes. Preface.  This is a summary of: Hirsch H (2005) Nuclear Reactor Hazards Ongoing Dangers of Operating Nuclear Technology in the 21st Century.  Greenpeace International. The revival of … Continue reading

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Nuclear power is not the solution

Preface. This is a book review of Ramana’s “Nuclear is not the Solution: The Folly of Atomic Power in the Age of Climate Change.” A great overview that covers many topics, one of the best out there, and most recent. … Continue reading

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CCS plants leak, catch on fire, explode, corrode, and contaminate water

Source: Center for Progressive reform (2024) Carbon Dioxide Leak in Decatur, IL, Demonstrates Dangerous Failure of Carbon Capture Storage and Sequestration Preface. Clearly it is not worth spending billions of dollars to sequester CO2 “permanently” if it may leak. It’s … Continue reading

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Can Geothermal power replace declining fossil fuels?

Preface. Today the electric grid stays up because of months of backup power from natural gas, coal, and uranium.  Most of all natural gas because it can quickly balance wind and solar as they suddenly appear or die out. Natural … Continue reading

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Thorium nuclear bombs and reactors have too many challenges

Preface. The energyskeptic website and my books explain why we can’t run transportation, mining, agriculture, concrete, blast furnace steel and other essential sectors that are highly dependent on fossil fuels with electricity, biofuels, hydrogen, coal-to-liquids or anything else. So a … Continue reading

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