In light of our discussion of “The Longest Main Street in the World” and our dependence on oil: http://blogs.scientificamerican.com/plugged-in/the-price-of-solar-is-declining-to-unprecedented-lows/
In light of our discussion of “The Longest Main Street in the World” and our dependence on oil: http://blogs.scientificamerican.com/plugged-in/the-price-of-solar-is-declining-to-unprecedented-lows/