The November 2009 issue of Scientific American has a cover story by Mark Z. Jacobson (Professor, Stanford) and Mark A. Delucchi (researcher, UC Davis). It’s entitled “A path to sustainable energy by 2030” (p 58 – 65; they call it WWS: wind, water or sunlight). This popular article is supported by a technical analysis, which the authors will apparently submit to the peer-reviewed journal Energy Policy at some point (or may have already done so). Anyway, they have made both papers available for free public download here.
So what do they say? In a nutshell, their argument is that, by the year 2030:
Wind, water and solar technologies can provide 100 percent of the world’s energy, eliminating all fossil fuels.
Big claim. Does it stack up? Short answer, no. Read more...