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- Why the U.S. is ignoring nuclear winter in nuclear policies & strategies
- 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
- Rare Earth updates: recent research on why complex & intelligent life are rare in the Universe
- Book review of “Chip War” and the Fragility of microchips
- The tremendous material and energy toll of the digital economy
- Nuclear attack on U.S. could kill 90% of Americans
- 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
- Book review of “Prime Movers of Globalization: the History & Impact of Diesel Engines & Gas Turbines”
- Mental Health. Coping with the future: notes from Jackson & Jensen’s “An Inconvenient Apocalypse”
Tag Archives: Capellan-Perez
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