Category Archives: Photovoltaic Solar

Wind & Solar need thousands of tons of steel, aluminum, cement, concrete, copper but produce little energy

Posted on March 1, 2014 by

Summary of Sergio Pacca and Darpa Horvath 2002 Greenhouse Gas Emissions from Building and Operating  Electric Power Plants in the Upper Colorado River Basin ENVIRONMENTAL SCIENCE & TECHNOLOGY / VOL. 36, NO. 14 pp. 3194-3200 As you can see, Wind … Continue reading →

Posted in Alternative Energy, Photovoltaic Solar, Wind | Tagged , , , , , | Comments Off on Wind & Solar need thousands of tons of steel, aluminum, cement, concrete, copper but produce little energy

Photovoltaic solar has many problems

Posted on July 25, 2013 by

Although sunlight is renewable, photovoltaic panels aren’t. PV isn’t ready yet. NREL (National Renewable Energy Lab) lists the technical barriers below in: PV Roadmap. U.S. Dept of Energy National Center for Photovoltaics. Lack of widespread availability of low-cost feedstock and … Continue reading →

Posted in Photovoltaic Solar | Tagged , | Comments Off on Photovoltaic solar has many problems

Relax! Solar energy can save us. Krugman says so. by Ted Trainer

Posted on June 9, 2013 by

Ted Trainer is the author of Renewable Energy Cannot Sustain a Consumer Society and his “What to Do” can be found at The Simpler Way http://socialsciences.arts.unsw.edu.au/tsw/, in The Transition to a Sustainable and Just World, Envirobook, 2010, and the papers … Continue reading →

Posted in Photovoltaic Solar | 2 Comments