Whenever I hear someone praising solar energy or electric cars to the exclusion of fossil fuels, the pragmatist in me cringes. Aside from the fission of uranium and plutonium in nuclear power plants and possibly the formation of methane deep in the earth's core from “non-biological processes … creating stable reserves of fuel within the much more extreme conditions of Earth's mantle,” virtually all of the power we depend on comes from the sun. The Earth's vast resources of fossil … [Read more...]