5 Landfill Gas and Geothermal Stocks for Your Clean Energy Shopping List <a href="http://seekingalpha.com/article/146854-5-landfill-gas-and-geothermal-stocks-for-your-clean-energy-shopping-list?source=email" rel="nofollow" target="_blank">http://seekingalpha.com/article/146854-5-landfill-gas-and-geothermal-stocks-for-your-clean-energy-shopping-list?source=email</a>