“The main barriers to a conversion“[to 100% Wind, Water, Solar] are neither technical nor economic; rather, they are social and political.” (Stanford Professor Mark Z. Jacobson, Ph.D. in Testimony to the US Congress, 19 Nov. 2015) “Written Testimony to the United States House of Representatives Committee on Energy and Commerce Democratic Forum on Climate Change November 19, 2015 at 2 PM, Washington D.C. By Mark Z. Jacobson, Stanford University (Witness), Roadmaps for 139 Countries and the 50 United States to Transition to 100% Clean, Renewable Wind, Water, and Solar (WWS) Power for all Purposes by 2050 and 80% by 2030”
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