http://www.renewableenergyworld.com/rea/blog/post/2013/04/utility-gets-r...
http://www.technologyreview.com/news/510046/will-france-give-up-its-role...
http://www.alternet.org/environment/renewable-energys-biggest-problem-so...
http://grist.org/climate-energy/citigroup-renewables-will-triumph-and-na...
http://grist.org/climate-energy/invention-of-the-day-a-bladeless-wind-tu...
http://www.scientificamerican.com/article.cfm?id=solar-cells-prove-clean...
http://sustainablog.org/2013/04/world-wind-power-2013/