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- Oil choke points vulnerable to war, chaos, terrorism, accidents, & piracy
- Nuclear weapons must be reduced or we risk nuclear winter
- Fusion is already running out of fuel
- Peak Oil is Officially Here! World oil production peaked November of 2018
- Wood, the fuel of preindustrial societies, is half of EU renewable energy
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- What percent of Americans are rational?
- Book review of Lights Out. A Cyberattack. A Nation Unprepared. Surviving the Aftermath
- Off-Road vehicles & equipment need diesel fuel
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Tag Archives: hydropower
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
Posted in Hydropower, Walter Youngquist
Tagged dams, hydropower, Youngquist
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Climate change effects on hydropower in California
Preface. Climate change will impact California agriculture without the snow melt that allows for up to three crops to be grown a year, perhaps just one crop in the future. Not to mention the impact on the 40 million people … Continue reading
Posted in Energy Climate Change, Hydropower
Tagged california, climate change, hydropower
2 Comments
Hydropower dams and the ways they destroy the environment
Preface. Hydropower comprises 71% of renewable energy worldwide. Nations like the U.S. and Europe have dams that have reached the end of their lifespan — more are being torn down than built. In the U.S. 546 dams were removed between … Continue reading
Posted in CO2 and Methane, Dams, Hydropower
Tagged biodiversity, china, environment, hydropower, Three Gorges dam
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Book review of Vaclav Smil’s “Energy Transitions: History, Requirements, Prospects”
Preface. In my extract of the 178 pages in the book below, Smil explains why renewables can’t possibly replace fossil fuels, and appears to be exasperated that people believe this can be done when he writes “Common expectations of energy … Continue reading
Posted in Alternative Energy, Energy Books, Vaclav Smil
Tagged biofuels, coal, energy, geothermal, hydropower, kinetic, LNG, muscle power, nuclear, solar, vaclav smil, wind
13 Comments
Water resources infrastructure deteriorating
[ Water infrastructure has inter-dependencies with other essential infrastructure, if dams or levees fail, agriculture and electric power suffer, towns and homes flooded. If ports along the ocean and inland water ways aren’t maintained and waterways dredged, the by far … Continue reading
Posted in Dams, Interdependencies, Water Infrastructure
Tagged dams, hydropower, infrastructure, levees
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Electric Cars and Biofuels switch dependence from foreign oil to domestic water and weather risks
Figure 1. Energy/Water Nexus Amy Hardberger, Matthew E. Mantell, Michael Webber, Carey W. King, Karl Fennessey [ This Senate hearing covers a lot of ground. I found the most interesting testimony to be the intersection of water and energy, … Continue reading
Posted in Drought, Energy Production, Hydropower, Transportation, Water Infrastructure
Tagged hydropower, peak oil, peak water, water dependence
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Hydropower has a very low energy density
To store the energy contained in 1 gallon of gasoline requires over 55,000 gallons to be pumped up 726 feet (CCST 2012). As a thought experiment look at what it would take generate all of America’s 4,058 TWh electricity, where … Continue reading
Posted in Energy Storage, Hydropower, Pumped Hydro Storage (PHS)
Tagged electric, energy density, hydropower, PHS, pumped hydro
1 Comment
Homeland Security and Dept of Energy: Dams and Energy Sectors Interdependency Study
[Below are excerpts from this 45 page document. Dams not only provide power but also water for agriculture, drinking water, cooling water for thermal power plants, ecosystem health, fisheries, and so on. All dams have a finite lifespan of 50 … Continue reading
Posted in Dams, Energy Production, Interdependencies
Tagged dams, hydropower, infrastructure, interdependency
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