solar energy http://mtpr.org en Solar energy expert says the solar revolution has begun http://mtpr.org/post/solar-energy-expert-says-solar-revolution-has-begun <p> Development of solar energy is undergoing a renaissance as the price and downside of fossil fuels increases. Author, physics professor and solar energy expert John Perlin says the use of solar energy goes back thousands of years.</p><p></p> Mon, 30 Dec 2013 21:20:10 +0000 Sally Mauk 13040 at http://mtpr.org Solar energy expert says the solar revolution has begun