http://www.articleheaven.net en-us editorial@articlealley.com The 21st century has seen a surge in concern for the environment. Citizens have become increasingly aware of how much waste they produce and how much energy they consume. In addition to measures such as recycling and carpooling, many people have turned to... http://www.articleheaven.net/how-solar-panels-work-1240016.html 20th November 2009